A cornerstone of Squale’s professional dive watch lineup, the 1521 Classic 1521CL.VO is a rugged and refined tool built for underwater performance. Featuring a clean black dial, durable rubber strap, and legendary 500-meter water resistance, this timepiece is trusted by divers and enthusiasts alike for its form, function, and Swiss reliability.

Design & Features

Dial & Display

• Dial Color: Black – Matte finish for enhanced legibility and minimal glare.

• Markers: Luminous Indexes – Applied markers treated with Super-LumiNova® for visibility in low light.

• Hands: Luminous – Wide Squale-style hands with luminous fill for superior underwater readability.

• Display: Analog – Three-hand layout with date at 3 o’clock.

Case & Build

• Case Shape: Cushion – Distinctive 1521 silhouette with smooth, ergonomic lines.

• Material: Polished 316L Stainless Steel – Marine-grade durability with a refined finish.

• Case Size: 42mm – Balanced for a strong wrist presence without bulk.

• Crystal: Sapphire – Scratch-resistant with anti-reflective coating for clarity in all conditions.

• Bezel: Unidirectional – 60-minute dive bezel with black insert and precise markings.

• Case Back: Solid – Engraved with Squale’s iconic shark logo.

• Crown: Screw-down at 4 o’clock – Recessed for comfort and protection.

Strap & Comfort

• Strap Material: Black Rubber – Durable, flexible, and water-resistant for active use.

• Design: Vented Tropic-style strap with vintage dive aesthetics.

• Clasp: Pin Buckle – Easy to adjust and secure during dives.

Movement & Performance

• Movement: Swiss Automatic (Sellita SW200-1) – Self-winding movement with 38-hour power reserve.

• Functions: Hours, minutes, seconds, and date.

• Water Resistance: 500 meters (50 ATM) – Suitable for professional diving.

Specifications

• Brand: Squale

• Model: 1521CL.VO

• Movement: Swiss Automatic (Sellita SW200-1)

• Case Material: 316L Stainless Steel (Polished)

• Case Size: 42mm

• Dial Color: Black

• Strap Material: Black Rubber

• Crystal: Sapphire with anti-reflective coating

• Water Resistance: 500m (50 ATM)

Key Features

• Professional Dive Capability – 500m water resistance with a functional dive bezel.

• Iconic 1521 Case – Comfortable and stylish with a unique cushion shape.

• Swiss Automatic Movement – Reliable and precise Sellita SW200-1 caliber.

• Highly Legible Dial – Designed for clear visibility in all conditions.

• Durable Rubber Strap – Ideal for underwater and everyday wear.

Who Is It For?

• Professional Divers – Engineered for underwater reliability and safety.

• Watch Enthusiasts – A must-have classic from Squale’s storied lineup.

• Daily Wearers – Combines rugged functionality with timeless style.

• Collectors – An essential reference in the history of Swiss dive watches.

The Squale 1521CL.VO is more than a diver—it’s a trusted instrument with decades of proven performance, wrapped in clean lines and classic appeal.

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