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Full Manufacturer Warranty
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Precision, heritage, and reliability come together in the Squale 1521 Classic COSC 1521COSCL.SQ20B. This COSC-certified diver combines Squale’s iconic 1521 case with chronometer-grade performance. With its clean black dial, durable steel bracelet, and professional 500m water resistance, it’s built for serious divers and timekeeping purists alike.
Design & Features
Dial & Display
Dial Color: Black – Classic matte finish for timeless style and clarity.
Markers: White Applied Indexes – Framed in steel with Super-LumiNova® for strong low-light visibility.
Hands: Polished with Luminous Fill – Distinctive sword-style hands for easy reading.
Display: Analog – Three-hand layout with discreet date at 3 o’clock.
Dial Text: Features “Chronometer Officially Certified” – Signifying its COSC status.
Case & Build
Case Shape: Cushion – Signature Squale silhouette, balanced and iconic.
Material: Polished 316L Stainless Steel – Corrosion-resistant and highly durable.
Case Size: 42mm – Perfectly sized for presence without bulk.
Crystal: Sapphire – Anti-reflective and scratch-resistant for lasting clarity.
Bezel: Unidirectional – Black insert with 60-minute scale and luminous pip.
Case Back: Solid – Engraved with Squale branding and certification details.
Crown: Screw-down (at 4 o’clock) – Maintains symmetry and ensures water tightness.
Strap & Comfort
Strap Material: Stainless Steel – Solid link bracelet for robust wear and a polished look.
Color: Silver – Complements the black dial and case finish.
Clasp: Folding Clasp with Safety – Secure and dive-ready fit.
Movement & Performance
Movement: Swiss Automatic (COSC-Certified Sellita SW200-1) – Highly precise, chronometer-rated movement with 38-hour power reserve.
Functions: Hours, minutes, seconds, date.
Water Resistance: 500 meters (50 ATM) – Designed for professional diving environments.
Specifications
Brand: Squale
Model: 1521COSCL.SQ20B
Movement: Swiss Automatic (COSC-Certified Sellita SW200-1)
Case Material: Polished 316L Stainless Steel
Case Size: 42mm
Dial Color: Black
Strap Material: Stainless Steel
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
COSC Certification – Guaranteed accuracy with official Swiss chronometer status.
500m Water Resistance – Built for deep dives and rugged reliability.
Classic 1521 Design – Iconic cushion case with proven professional heritage.
High-Contrast Dial – Optimized for quick and easy underwater readability.
Swiss Precision Movement – Trusted performance with exceptional accuracy.
Who Is It For?
Divers – A dependable, high-precision tool for underwater adventures.
Precision Enthusiasts – For those who value COSC-certified timekeeping.
Collectors – A standout edition of the legendary 1521 with premium movement.
Professionals – Refined enough for daily wear, tough enough for extreme use.
The Squale 1521COSCL.SQ20B is not just a diver—it’s a certified chronometer, blending timeless design with exceptional mechanical performance for those who demand the highest standard of precision.
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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.




