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Squale 1521 Ocean COS Automatic Sunray Blue Dial Steel Strap Men's Watch 1521COSOCN.SQ20B
Engineered for precision and elegance, the Squale 1521 Ocean COSC 1521COSOCN.SQ20B combines dive-watch heritage with Swiss chronometer-grade performance. Featuring a striking sunray blue dial, stainless steel construction, and a COSC-certified automatic movement, this timepiece delivers both underwater reliability and refined everyday appeal.
Design & Features
Dial & Display
Dial Color: Sunray Blue – Deep ocean-inspired finish with radiant texture.
Markers: Applied Indexes – Framed in polished steel with Super-LumiNova® for strong legibility.
Hands: Polished Steel with Luminous Fill – Broad sword-style hands for quick and clear reading.
Display: Analog – Three-hand layout with date window at 3 o’clock.
Dial Detail: "Chronometer Officially Certified" text highlights COSC status.
Case & Build
Case Shape: Cushion – Signature Squale 1521 design for optimal ergonomics and style.
Material: Polished 316L Stainless Steel – Corrosion-resistant and expertly finished.
Case Size: 42mm – Balanced for presence and comfort.
Crystal: Sapphire – Scratch-resistant with anti-reflective coating for underwater visibility.
Bezel: Unidirectional – Blue insert with 60-minute dive scale and luminous marker.
Case Back: Solid – Laser-engraved with Squale logo and COSC designation.
Crown: Screw-down (4 o’clock position) – Protects against water ingress and accidental adjustment.
Strap & Comfort
Strap Material: Stainless Steel – Solid link bracelet for strength and sophistication.
Color: Silver – Complements the case and enhances the blue dial.
Clasp: Folding Clasp with Safety – Secure and comfortable for daily or dive wear.
Movement & Performance
Movement: Swiss Automatic (COSC-Certified Sellita SW200-1) – Precision chronometer-grade movement with 38-hour power reserve.
Functions: Hours, minutes, seconds, date.
Water Resistance: 500 meters (50 ATM) – Professional-grade depth rating for serious divers.
Specifications
Brand: Squale
Model: 1521COSOCN.SQ20B
Movement: Swiss Automatic (COSC-Certified Sellita SW200-1)
Case Material: Polished 316L Stainless Steel
Case Size: 42mm
Dial Color: Sunray Blue
Strap Material: Stainless Steel
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
COSC Certification – Officially certified Swiss chronometer for exceptional accuracy.
Sunray Blue Dial – Reflects light with oceanic brilliance and visual depth.
500m Water Resistance – True dive-ready build for extreme underwater use.
Unidirectional Bezel – Time your dives reliably and safely.
Timeless Squale Design – Merges tradition with top-tier mechanical performance.
Who Is It For?
Professional Divers – Built to perform where it matters most: underwater.
Watch Aficionados – A certified chronometer with iconic dive heritage.
Collectors – Rare blend of COSC precision and vintage dive design.
Daily Wearers – Rugged and elegant for all-occasion versatility.
The Squale 1521COSOCN.SQ20B is where high-performance mechanics meet aquatic elegance—a professional dive watch that stands out for its beauty, precision, and heritage.
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UK Delivery
| Selling Price | Royal Mail 48 (Tracked) |
Royal Mail 24 (Tracked & Signed) |
Special Delivery Next Day (Mon – Fri) |
Special Sunday Delivery (Before Sat 12pm) |
Royal Mail Special Delivery by 1pm |
|---|---|---|---|---|---|
| £0 to £99.99 | FREE | £4.99 | £7.99 | £7.99 | £9.99 |
| £100 to £499.99 | N/A | FREE | £7.99 | £7.99 | £9.99 |
| £500 or more | N/A | N/A | FREE | £7.99 | £9.99 |
We know your order is important to you, so we use Royal Mail’s tracked delivery service on all UK orders.
We also offer Royal Mail Special Delivery service, which for an additional fee offers guaranteed delivery the next day before 1pm.
*Royal Mail Tracked 24 and Royal Mail Tracked 48 services are 98% accurate but not guaranteed.
Orders placed before 5pm (Monday–Friday) are dispatched the same day. Orders placed on Saturday or Sunday are dispatched the following Monday.
International Delivery
We are pleased to offer worldwide shipping. For accurate shipping rates, please add the item to your basket. Once you enter your shipping address, you will be offered all available options.
For the EU, EEA, and the rest of the world, the total price shown at checkout includes only the outbound Royal Mail / DHL shipping cost. You will be contacted by Royal Mail / DHL regarding duties and taxes. If you refuse the parcel and do not pay the required customs or duties, the outbound shipping cost will be deducted from your refund.
On average, delivery to the EU takes 3–5 working days, and delivery to the rest of the world takes 5–7 working days.
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Frequently Asked Questions
Yes — we are an Authorised Dealer for every brand we sell. All watches come with an official box, papers, and a full manufacturer’s warranty.
Every watch includes a manufacturer warranty. You’ll find more warranty info listed in the product description.
Orders placed before 5pm (Mon–Fri) are dispatched the same day. Order before 12pm on Sat for same-day dispatch. Free UK delivery is available on all orders, and tracking details are provided once shipped.
Yes — you have 30 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.




