








Squale 1521 Black Blasted Automatic Black Dial Steel Strap Men's Watch 1521BKBL.SQ20S
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A modern tool watch with deep historical roots, the Squale 1521BKBL.SQ20S blends tactical aesthetics with uncompromising dive performance. With a black blasted case, Swiss automatic movement, and a sleek stainless steel bracelet, this timepiece offers rugged functionality and refined versatility—ready for ocean depths or urban streets.
Design & Features
Dial & Display
Dial Color: Black – Matte finish for optimal legibility and reduced glare.
Markers: Luminous Indexes – Prominent Super-LumiNova® hour markers for clear visibility in low light.
Hands: Luminous – Signature Squale hands with luminous coating for easy reading.
Display: Analog – Traditional three-hand setup with date window at 3 o’clock.
Case & Build
Case Shape: Round – Streamlined and functional silhouette based on the iconic 1521 case.
Material: 316L Stainless Steel (Black Blasted) – Matte black PVD finish for a tactical, scratch-resistant look.
Case Size: 42mm – Balanced proportions for both diving and everyday wear.
Crystal: Sapphire – Durable and scratch-resistant with anti-reflective coating.
Bezel: Unidirectional Rotating – 60-minute scale with precise action and luminous pip for dive timing.
Case Back: Solid – Laser-engraved with Squale branding and specifications.
Crown: Screw-down at 4 o’clock – Improves ergonomics and enhances water resistance.
Strap & Comfort
Strap Material: Stainless Steel – Solid link bracelet with a brushed finish for a cohesive look.
Design: Robust and secure, suited for both casual and active use.
Clasp: Folding Deployment – Sturdy closure with push-button release for comfort and security.
Movement & Performance
Movement: Swiss Automatic (Sellita SW200-1) – Self-winding movement with smooth operation and 38-hour power reserve.
Functions: Hours, minutes, seconds, and date.
Water Resistance: 500 meters (50 ATM) – Meets professional diving standards.
Specifications
Brand: Squale
Model: 1521BKBL.SQ20S
Movement: Swiss Automatic (Sellita SW200-1)
Case Material: 316L Stainless Steel with Black PVD Blasted Finish
Case Size: 42mm
Dial Color: Black
Strap Material: Stainless Steel
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
Black Blasted Case – Tactical, non-reflective finish built for performance.
Iconic 1521 Design – A heritage case trusted by divers for decades.
Professional 500m Rating – Suited for serious diving and aquatic activities.
Durable Steel Bracelet – Comfortable and strong for daily wear.
Reliable Swiss Movement – Sellita SW200-1 ensures precision and consistency.
Who Is It For?
Dive Professionals – Engineered for deep water and harsh environments.
Urban Adventurers – Tactical style meets everyday durability.
Collectors – A distinct version of the celebrated Squale 1521.
Gift Givers – An excellent choice for milestones or celebrations of rugged achievement.
The Squale 1521BKBL.SQ20S is a sleek, professional-grade diver with bold presence and serious capability—ideal for those who demand strength, precision, and heritage in one powerful package.
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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 Shipping & Duties (Delivered At Place – DAP)
We’re pleased to offer worldwide delivery with fully tracked and insured shipping.
How international orders work
All international orders are shipped on DAP (Delivered At Place) terms. This means:
- The price you pay at checkout covers your goods and international shipping only.
- WatchNation does not collect or charge any overseas sales tax, import VAT, or customs tariffs (duties).
- When your order reaches your country, local customs authorities may apply:
- Import VAT (value-added tax),
- Tariffs or customs duties (import taxes based on product category and value), and
- Handling or clearance fees from the courier.
These charges are set by your country’s customs authority and are payable by you before delivery.
You’ll be contacted directly by DHL with a secure link to pay any applicable charges. Once cleared, your parcel will be released and delivered promptly.
Estimated delivery times (after dispatch)
- European Union: approximately 2–5 working days
- Rest of World: approximately 5–7 working days
Customs processing times vary by country and may extend delivery slightly.
If import charges, tariffs, or duties are not paid
If local charges are unpaid or delivery is refused, the shipment will be returned to us. In this case, we will refund your order minus the outbound shipping cost and any return or customs fees billed to us by the carrier.
Estimating import costs
Import VAT and duty rates vary by country. You can check estimated import taxes and tariffs by contacting your local customs authority or using your government’s online import calculator.
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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.


