Cinematic Marine Heritage for Your Watch Collections

The Alsta Watches lineage is forever bound to ocean exploration and cinematic history. This Alsta Nautoscaph IV is a modern evolution of the iconic alsta dive watch famously worn in the 1975 film Jaws. Crafted in a 40mm CuSn8 high-grade bronze case, it develops a distinct, ever-changing patina over time, bringing unparalleled tactical character to your watches collections.

Built for collectors seeking high-performance watches for men nearby, this premium automatic watch men selection features:

• Cinematic Heritage: The modern evolution of the iconic Jaws (1975) dive watch series.

• High-Grade Bronze Case: A 40mm maritime alloy designed to oxidize and build a unique vintage patina.

• Stunning Contrast Visibility: A crisp, bold white dial paired with tapered sword hands and applied markers.

• Ceramic Unidirectional Bezel: Equipped with a premium scratch-resistant black ceramic bezel insert for precise dive timing.

• ISO 6425 Dive Standard: Engineering that exceeds official military/naval submersibility requirements with a 300m (30 ATM) rating.

• Tactical Rubber Strap: Paired with a rugged, high-durability black rubber strap built to withstand extreme marine and terrain environments.

Protected by a scratch-resistant sapphire crystal and backed by a screw-down bronze crown, it is the ultimate alsta instrument for those who demand raw history and modern mechanical reliability.

Technical Information

• Movement: Seiko NH35A Automatic (Self-Winding, 24 Jewels)

• Functions: Hours, Minutes, Seconds, and Date Display

• Case: 40mm High-Grade CuSn8 Bronze (Corrosion-Resistant)

• Dimensions: 41.3mm lug-to-lug | 20mm lug size | 16.2mm thickness (with crystal)

• Dial: White with applied C3 Super-LumiNova® indices

• Hands: Tapered sword hands with high-grade C3 Super-LumiNova®

• Bezel: Steel, unidirectional with a premium black ceramic insert

• Glass: Scratch-resistant sapphire crystal

• Crown: Screw-down, high-grade bronze

• Caseback: Stainless steel with official Alsta engraving

• Strap: Rugged, high-performance black tactical rubber

• Water Resistance: 999ft / 300m (30 ATM) – Exceeds ISO 6425 dive watch standards