








Squale 1521 Blue Ray Automatic Blue Dial Steel Strap Men's Watch 1521PROFD.SQ20L
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The Squale 1521 Blue Ray 1521PROFD.SQ20L pairs professional dive watch engineering with a vivid blue dial and a robust steel mesh strap, creating a perfect balance of durability, style, and comfort. Designed for both underwater adventures and everyday wear, this timepiece delivers classic Squale reliability with a fresh, contemporary look.
Design & Features
Dial & Display
Dial Color: Blue – Sunray finish offering dynamic reflections and excellent legibility.
Markers: Luminous Indexes – Super-LumiNova® coated markers for outstanding visibility in low light.
Hands: Luminous – Squale’s signature broad hands filled with luminous material for easy reading underwater.
Display: Analog – Three-hand display with a date window positioned at 3 o’clock.
Case & Build
Case Shape: Cushion – Iconic and ergonomic shape for comfortable wear and vintage-inspired style.
Material: Polished 316L Stainless Steel – Durable, corrosion-resistant, and polished to a sleek shine.
Case Size: 42mm – Offers a commanding wrist presence without overwhelming the wearer.
Crystal: Sapphire – Scratch-resistant with anti-reflective coating for optimal clarity in all conditions.
Bezel: Unidirectional – Blue insert with 60-minute dive scale for precise timing.
Case Back: Solid – Featuring Squale’s engraved shark logo and model details.
Crown: Screw-down (4 o’clock) – Designed for water resistance and ease of operation.
Strap & Comfort
Strap Material: Stainless Steel – silver bracelet combining rugged durability with breathable comfort.
Color: Silver – Matches the dial for a cohesive and striking appearance.
Clasp: Folding Clasp – Secure and adjustable for a comfortable fit throughout the day.
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) – Built to meet professional diving standards.
Specifications
Brand: Squale
Model: 1521PROFD.SQ20L
Movement: Swiss Automatic (Sellita SW200-1)
Case Material: Polished 316L Stainless Steel
Case Size: 42mm
Dial Color: Blue
Strap Material: Stainless Steel
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
Sunray Blue Dial – Captivating finish that enhances legibility and style.
Professional 500m Water Resistance – Perfect for deep diving and underwater activities.
Swiss Automatic Movement – Precision and reliability from the Sellita SW200-1 caliber.
Durable Mesh Steel Strap – Stylish, breathable, and tough for all-day wear.
Classic Squale 1521 Case – Iconic design known for comfort and functionality.
Who Is It For?
Professional Divers – Trusted for performance in demanding underwater environments.
Style-Conscious Adventurers – Combines dive-ready functionality with modern aesthetics.
Watch Collectors – A bold blue addition to the legendary 1521 series.
Everyday Wearers – Rugged, reliable, and stylish enough for daily use.
The Squale 1521PROFD.SQ20L is a refined dive watch that balances heritage, craftsmanship, and vibrant design — built to accompany you from deep dives to daily adventures.
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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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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.


