








Squale 1521 Blue Blasted Automatic Blue Dial Steel Strap Men's Watch 1521BLUEBL.SQ20S
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A bold evolution of a dive watch classic, the Squale 1521 Blue Blasted 1521BLUEBL.SQ20S pairs professional-grade specs with a vibrant, modern design. Featuring a matte blue blasted case, matching blue dial, and a sleek stainless steel mesh strap, this timepiece is as striking on land as it is reliable beneath the waves.
Design & Features
Dial & Display
Dial Color: Blue – Matte finish with excellent contrast and legibility.
Markers: Luminous Indexes – Super-LumiNova®-filled indices ensure clarity in low light.
Hands: Luminous – High-contrast hands with luminous treatment for underwater visibility.
Display: Analog – Three-hand layout with date window at 3 o’clock.
Case & Build
Case Shape: Cushion – Iconic Squale shape for ergonomic and retro-inspired design.
Material: Matte Blue Blasted 316L Stainless Steel – Durable and non-reflective for tactical use.
Case Size: 42mm – A balanced size that offers strong wrist presence without bulk.
Crystal: Sapphire – Scratch-resistant with anti-reflective coating for optimal clarity.
Bezel: Unidirectional – Blue insert with 60-minute timing scale.
Case Back: Solid – Featuring Squale's shark logo and engraved specifications.
Crown: Screw-down (4 o’clock) – Recessed to protect from impacts and enhance comfort.
Strap & Comfort
Strap Material: Stainless Steel – Squale Milanese-style mesh for a refined, secure fit.
Color: Silver – A clean contrast to the all-blue case and dial.
Clasp: Folding Clasp – Secure and adjustable for all-day wear.
Movement & Performance
Movement: Swiss Automatic (Sellita SW200-1) – Reliable self-winding movement with a 38-hour power reserve.
Functions: Hours, minutes, seconds, and date.
Water Resistance: 500 meters (50 ATM) – Suited for serious underwater exploration.
Specifications
Brand: Squale
Model: 1521BLUEBL.SQ20S
Movement: Swiss Automatic (Sellita SW200-1)
Case Material: Blue Blasted 316L Stainless Steel
Case Size: 42mm
Dial Color: Blue
Strap Material: Stainless Steel (Milanese Mesh)
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
Matte Blue Case & Dial – Eye-catching and modern with a monochromatic palette.
500m Water Resistance – Built to professional dive standards.
Swiss Automatic Movement – Trusted performance with refined engineering.
Steel Mesh Strap – Elegant and breathable, perfect for daily or dressed-up wear.
Iconic 1521 Case – A classic dive watch silhouette with ergonomic comfort.
Who Is It For?
Divers & Professionals – Trusted durability for high-pressure environments.
Design Enthusiasts – A rare colorway and finish for standout wrist appeal.
Collectors – A bold addition to any serious dive watch collection.
Modern Wearers – Combines utilitarian build with contemporary elegance.
The Squale 1521BLUEBL.SQ20S is a distinctive fusion of color, comfort, and capability—an expressive timepiece made for those who dive deep and live boldly.
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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.
More about delivery...

Need help?
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.


