




Squale 1521 Blue Ray Automatic Smoky Blue Dial Rubber Strap Men's Watch 1521PROFD.HT
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Striking, vibrant, and deeply capable, the Squale 1521PROFD.HT—also known as the “Blue Ray”—blends oceanic aesthetics with proven professional dive performance. Its smoky blue sunburst dial radiates elegance, while the high-contrast rubber strap and 500m water resistance ensure it's ready for serious aquatic action.
Design & Features
Dial & Display
Dial Color: Smoky Blue – Rich sunburst gradient that shifts from light to deep blue, evoking the depths of the sea.
Markers: Luminous Indexes – Super-LumiNova® coated hour markers for underwater and low-light legibility.
Hands: Luminous – Broad Squale-style hands filled with luminous material for maximum readability.
Display: Analog – Classic three-hand layout with a date window at 3 o’clock.
Case & Build
Case Shape: Round – Traditional 1521 diver design with ergonomic curves.
Material: 316L Stainless Steel – Polished and brushed surfaces for a premium finish.
Case Size: 42mm – Ideal dimensions for a bold yet comfortable fit.
Crystal: Sapphire – Scratch-resistant with anti-reflective coating for optimal clarity.
Bezel: Unidirectional Rotating – 60-minute scale with luminous pip for dive timing.
Case Back: Solid – Engraved with Squale logo and watch specs.
Crown: Screw-down at 4 o’clock – Protects against water ingress and enhances wrist comfort.
Strap & Comfort
Strap Material: Blue Rubber – Soft, flexible, and water-friendly for active use.
Design: Tropic-style pattern for retro diver aesthetics and breathability.
Clasp: Pin Buckle – Classic and adjustable for secure, all-day wear.
Movement & Performance
Movement: Swiss Automatic (Sellita SW200-1) – Self-winding with a 38-hour power reserve and smooth sweeping seconds.
Functions: Hours, minutes, seconds, and date.
Water Resistance: 500 meters (50 ATM) – Built for professional dive use.
Specifications
Brand: Squale
Model: 1521PROFD.HT
Movement: Swiss Automatic (Sellita SW200-1)
Case Material: 316L Stainless Steel
Case Size: 42mm
Dial Color: Smoky Blue Sunburst
Strap Material: Blue Rubber
Crystal: Sapphire with anti-reflective coating
Water Resistance: 500m (50 ATM)
Key Features
Smoky Blue Dial – Unique sunburst finish for standout wrist presence.
Trusted Dive Heritage – Built on Squale’s iconic 1521 case design.
500m Water Resistance – Ready for extreme underwater environments.
Comfortable Tropic Rubber Strap – Ideal for both wet and dry wear.
Swiss Automatic Movement – Reliable and precise with mechanical charm.
Who Is It For?
Ocean Enthusiasts – Designed for those drawn to the sea in style and spirit.
Dive Watch Collectors – A vibrant twist on a legendary case architecture.
Active Professionals – Combines daily comfort with rugged dependability.
Gift Buyers – A striking and meaningful timepiece for life’s big moments.
The Squale 1521PROFD.HT “Blue Ray” is more than a dive watch—it’s a dynamic expression of aquatic elegance and mechanical mastery, built to accompany you from reef dives to refined evenings.
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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.


