{"title":"F77 MK2 Open Heart","description":null,"products":[{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-meteorite-dial-titanium-mens-automatic-watch-68052a77","title":"Nivada Grenchen F77 MK2 38mm Open Heart Meteorite Dial Titanium Mens Automatic Watch 68052A77","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart Meteorite 68052A77 is a Swiss-made automatic watch featuring a 38mm Grade 5 titanium case, a genuine meteorite dial and an integrated titanium bracelet. Its gunmetal-coloured dial displays a natural sun-brushed meteorite pattern, complemented by an open-heart aperture at six o’clock that reveals the movement’s balance wheel. An octagonal bezel secured by eight screws, applied titanium-coloured indexes and luminous hands complete the design. The case measures 11.60mm in thickness with the see-through sapphire caseback fitted, and water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGenuine Meteorite Dial and Open-Heart Display\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe dial is crafted from genuine meteorite, displaying a natural pattern that gives each surface its individual character. The open-heart aperture at six o’clock exposes the moving balance wheel, bringing the mechanical movement into view. Applied titanium-coloured indexes mark the hours, complemented by white Super-LumiNova dots and matching hands filled with white Super-LumiNova. White printing carries the Nivada Grenchen logo, while the central hour, minute and sweeping seconds hands maintain a clear analogue display without a date window.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSwiss Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe F77 MK II is powered by the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz, with a 42-hour power reserve and 25 jewels. The self-winding mechanism powers the central time display, while the exposed balance wheel provides a view of the movement’s operation from the dial side. A see-through flat sapphire caseback reveals the movement from the reverse, extending the watch’s mechanical presentation beyond the open-heart aperture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Construction and Integrated Bracelet\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is crafted from Grade 5 titanium, combining vertically brushed surfaces with polished details to emphasise its angular profile. The octagonal bezel features eight screws, and the drilled lugs allow strap changes. A double-domed sapphire crystal with anti-reflective coating protects the dial. The integrated Grade 5 titanium bracelet has a vertically brushed finish and measures 22mm at the case, tapering to 16mm. With a 46.2mm lug-to-lug measurement, an 11.60mm thickness with the see-through caseback and water resistance rated at 100 metres, the F77 MK II combines lightweight titanium construction with a distinctive meteorite dial and visible mechanical movement.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55471987851605,"sku":"68052A77","price":1985.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293190.jpg?v=1792659606"},{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-aventurine-dial-titanium-mens-automatic-watch-68051a77","title":"Nivada Grenchen F77 MK2 38mm Open Heart Aventurine Dial Titanium Mens Automatic Watch 68051A77","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart Green Aventurine 68051A77 is a Swiss automatic watch featuring a 38mm Grade 5 titanium case, a natural green aventurine dial and an integrated titanium bracelet. Its distinctive octagonal bezel is secured by eight screws and complements the case’s combination of vertical brushing and polished surfaces. The green stone dial features applied titanium-coloured indexes, luminous hands and an open-heart aperture at six o’clock, revealing the movement’s balance wheel. With an 11.60mm thickness when fitted with the see-through caseback, a 46.2mm lug-to-lug measurement and water resistance rated at 100 metres, the watch combines mechanical detail with lightweight titanium construction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Green Aventurine Dial and Open-Heart Design\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe dial features natural green aventurine, whose shimmering mineral texture creates variation across its surface. Applied titanium-coloured indexes mark the hours, complemented by white Super-LumiNova dots around the dial perimeter. Titanium-coloured hands filled with white Super-LumiNova maintain contrast against the green background, while the embossed Nivada Grenchen logo and white dial printing complete the display. The opening at six o’clock exposes the moving balance wheel, bringing the mechanical operation into view without a separate date display.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSwiss Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe F77 MK II is powered by the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz, with 25 jewels and a 42-hour power reserve. The movement drives the central hour and minute hands alongside the sweeping seconds hand, while the exposed balance wheel provides a view of its operation through the dial. A see-through flat sapphire caseback reveals the movement from the reverse, extending the watch’s mechanical presentation beyond the open-heart aperture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Integrated Bracelet\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is crafted from Grade 5 titanium with vertically brushed and polished surfaces. Its octagonal bezel features eight screws, while drilled lugs allow for strap changes. A double-domed sapphire crystal with anti-reflective coating protects the dial. The integrated Grade 5 titanium bracelet features a vertically brushed finish and tapers from 22mm at the case to 16mm at the clasp. With its 46.2mm lug-to-lug measurement, 11.60mm thickness with the see-through caseback and water resistance rated at 100 metres, the F77 MK II combines a distinctive stone dial with carefully finished titanium construction.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472185999701,"sku":"68051A77","price":1985.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293226.jpg?v=1792660182"},{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-black-tressed-dial-titanium-mens-automatic-watch-68023a77","title":"Nivada Grenchen F77 MK2 38mm Open Heart Black Tressed Dial Titanium Mens Automatic Watch 68023A77","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart 68023A77 is a Swiss-made automatic watch featuring a 38mm Grade 5 titanium case, a black tressed dial and an integrated titanium bracelet. The octagonal bezel is secured by eight screws and complements the case’s combination of vertically brushed and polished surfaces. Its embossed carbon-pattern dial features applied titanium-coloured indexes, luminous hands and an open-heart aperture at six o’clock that reveals the moving balance wheel. Measuring 46.2mm from lug to lug and 11.60mm thick with the exhibition caseback, the watch combines an angular sports-watch profile with visible mechanical detail. Water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBlack Tressed Dial and Open-Heart Display\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe black dial features an embossed carbon-pattern texture with a sun-brushed finish, creating depth across its patterned surface. Applied titanium-coloured indexes mark the hours, accompanied by white Super-LumiNova dots around the dial perimeter. The matching titanium-coloured hands contain white Super-LumiNova, while white printing and the embossed Nivada Grenchen logo complete the display. At six o’clock, the open-heart aperture exposes the balance wheel as it oscillates during operation. With no date display, the dial retains its focus on the textured surface and mechanical movement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSwiss Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePowering the watch is the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz. The calibre contains 25 jewels and delivers a 42-hour power reserve. Central hour and minute hands are accompanied by a sweeping seconds hand, while the exposed balance wheel provides a direct view of the movement’s operation through the dial. A see-through flat sapphire caseback reveals the movement from the reverse, including its bridges, gears and automatic winding mechanism.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Integrated Bracelet\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is made from Grade 5 titanium, combining vertically brushed surfaces with polished details around its angular profile. Eight screws secure the octagonal bezel, while drilled lugs allow the bracelet or an alternative strap to be fitted. A double-domed sapphire crystal with anti-reflective coating protects the dial. The integrated Grade 5 titanium bracelet features a vertically brushed finish, measuring 22mm at the case and tapering to 16mm at the clasp. With its 46.2mm lug-to-lug measurement, 11.60mm thickness with the exhibition caseback and 100-metre water resistance, the F77 MK II pairs lightweight titanium construction with a textured black dial and an exposed automatic movement.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472338829653,"sku":"68023A77","price":1810.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293240.jpg?v=1792660442"},{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-meteorite-dial-titanium-canvas-mens-automatic-watch-68052a77-bc","title":"Nivada Grenchen F77 MK2 38mm Open Heart Meteorite Dial Titanium Canvas Mens Automatic Watch 68052A77-BC","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart Meteorite 68052A77-BC is a Swiss-made automatic watch featuring a 38mm Grade 5 titanium case, a genuine meteorite dial and a black canvas Velcro strap. Its gunmetal-coloured dial displays a natural crystalline pattern with applied titanium-coloured indexes and an open-heart aperture at six o’clock, exposing the moving balance wheel. The angular case is finished with a brushed and polished surface, while the octagonal bezel is secured by eight screws. Measuring 46.2mm from lug to lug and 11.60mm thick with the exhibition caseback, the watch combines mechanical detail with a lightweight titanium construction. Water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMeteorite Dial and Exposed Balance Wheel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe genuine meteorite dial features a sun-brushed gunmetal finish that highlights the material's naturally formed pattern. Applied titanium-coloured indexes mark the hours, accompanied by white Super-LumiNova dots around the dial. The matching hands contain white Super-LumiNova for visibility in low-light conditions, while white printing and the embossed Nivada Grenchen logo complete the display. At six o’clock, the open-heart aperture reveals the oscillating balance wheel, bringing the movement's operation directly into view. The absence of a date display preserves the focus on the meteorite surface and mechanical opening.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSoprod Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe watch is powered by the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz. Its 25 jewels and 42-hour power reserve support the movement's operation, driving the central hour, minute and sweeping seconds hands. The visible balance wheel provides an immediate view of the mechanism through the dial, while the see-through flat sapphire caseback reveals the movement from the reverse. This dual-sided presentation highlights the bridges, gears and automatic winding mechanism without interrupting the dial's time display.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Canvas Velcro Strap\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is crafted from Grade 5 titanium with vertically brushed surfaces and polished detailing. Eight bezel screws reinforce the octagonal outline, while drilled lugs allow the strap to be changed. A double-domed sapphire crystal with anti-reflective coating protects the dial. Instead of the integrated titanium bracelet, this version is fitted with a black canvas Velcro strap measuring 22mm at the case and tapering to 16mm. The 46.2mm lug-to-lug measurement and 11.60mm thickness with the exhibition caseback maintain the proportions of the design, while 100-metre water resistance adds practical functionality.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472458858837,"sku":"68052A77-BC","price":1810.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293252.jpg?v=1792660680"},{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-aventurine-dial-titanium-canvas-mens-automatic-watch-68051a77-bc","title":"Nivada Grenchen F77 MK2 38mm Open Heart Aventurine Dial Titanium Canvas Mens Automatic Watch 68051A77-BC","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart Green Aventurine 68051A77-BC is a Swiss-made automatic watch featuring a 38mm Grade 5 titanium case, a natural green aventurine dial and a black canvas Velcro strap. Its angular case combines vertically brushed surfaces with polished detailing, while the octagonal bezel is secured by eight screws. The dial features applied titanium-coloured indexes, luminous hands and an open-heart aperture at six o’clock that reveals the movement’s balance wheel. With a 46.2mm lug-to-lug measurement and a thickness of 11.60mm with the exhibition caseback, the watch pairs a distinctive stone dial with lightweight titanium construction. Water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Green Aventurine Dial and Open-Heart Display\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe natural green aventurine dial features a shimmering mineral surface with variations in colour and texture. Applied titanium-coloured indexes mark the hours, complemented by white Super-LumiNova dots around the dial perimeter. The matching hands contain white Super-LumiNova, while the embossed Nivada Grenchen logo and white printing provide contrast against the green background. At six o’clock, the open-heart aperture exposes the moving balance wheel, adding a mechanical focal point to the dial. The absence of a date display keeps attention on the stone surface and exposed movement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSoprod Automatic Movement and Mechanical Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePowering the F77 MK II is the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz. It features 25 jewels and a 42-hour power reserve, driving the central hour, minute and sweeping seconds hands. The exposed balance wheel provides a direct view of the movement’s operation through the dial, while the see-through flat sapphire caseback reveals the mechanism from the reverse. Together, these openings showcase the watch’s mechanical construction from both sides.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Canvas Velcro Strap\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is crafted from Grade 5 titanium with vertically brushed and polished surfaces that emphasise its angular profile. Eight bezel screws frame the dial, while drilled lugs allow the strap to be changed. A double-domed sapphire crystal with anti-reflective coating protects the display. This version is fitted with a black canvas Velcro strap measuring 22mm at the case and tapering to 16mm, providing an alternative to the integrated titanium bracelet. The 46.2mm lug-to-lug measurement, 11.60mm thickness with the exhibition caseback and 100-metre water resistance complete a design that combines a natural stone dial with practical strap versatility.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472519512405,"sku":"68051A77-BC","price":1810.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293274.jpg?v=1792660895"},{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-black-tressed-dial-titanium-canvas-mens-automatic-watch-68023a77-bc","title":"Nivada Grenchen F77 MK2 38mm Open Heart Black Tressed Dial Titanium Canvas Mens Automatic Watch 68023A77-BC","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart Black Tressed 68023A77-BC is a Swiss automatic watch featuring a 38mm Grade 5 titanium case, a black tressed dial and a black canvas Velcro strap. Its angular case combines vertically brushed and polished surfaces, complemented by an octagonal bezel secured by eight screws. The dial features an embossed carbon-pattern texture, applied titanium-coloured indexes and luminous hands, with an open-heart aperture at six o’clock revealing the movement’s balance wheel. Measuring 46.2mm from lug to lug and 11.60mm thick with the exhibition caseback, the watch offers a distinctive combination of textured detailing and mechanical display. Water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBlack Tressed Dial and Exposed Balance Wheel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe dial features an embossed carbon pattern with a sun-brushed finish, creating a layered texture across its black surface. Applied titanium-coloured indexes mark the hours, accompanied by white Super-LumiNova dots around the dial perimeter. The matching hands contain white Super-LumiNova for visibility in low-light conditions, while the embossed Nivada Grenchen logo and white printing provide contrast against the dark background. Positioned at six o’clock, the open-heart aperture exposes the oscillating balance wheel, bringing the movement’s operation into the main display. The absence of a date window maintains the focus on the patterned dial and mechanical opening.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSoprod Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe F77 MK II is powered by the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz. It contains 25 jewels and provides a 42-hour power reserve, driving the central hour, minute and sweeping seconds hands. The balance wheel is visible through the open-heart aperture, while the see-through flat sapphire caseback reveals the movement from the reverse. This presentation highlights the watch’s mechanical construction from both sides without adding a date display to the dial.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Canvas Velcro Strap\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is crafted from Grade 5 titanium with vertically brushed and polished surfaces. Eight screws secure the octagonal bezel, while the drilled lugs allow the strap to be changed. A double-domed sapphire crystal with anti-reflective coating protects the dial. Unlike the integrated titanium bracelet version, the 68023A77-BC is fitted with a black canvas Velcro strap, measuring 22mm at the case and tapering to 16mm. The adjustable fastening provides an alternative to a traditional bracelet clasp, while the 46.2mm lug-to-lug measurement, 11.60mm thickness with the exhibition caseback and 100-metre water resistance complete the watch’s specifications.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472560046421,"sku":"68023A77-BC","price":1640.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293286.jpg?v=1792661041"}],"url":"https:\/\/www.watchnation.com\/it-it\/collections\/f77-mk2-open-heart.oembed","provider":"WatchNation","version":"1.0","type":"link"}