The GSAR Automatic 41mm stands as one of Marathon’s most iconic military dive instruments — a timepiece engineered for professionals who operate where failure is not an option.
Crafted from 316L surgical-grade stainless steel and fitted with a Swiss automatic movement, the GSAR delivers exceptional durability, precision, and underwater resilience. Tritium gas tubes provide constant illumination, ensuring perfect legibility in the darkest environments, while the 300M water resistance rating ensures mission-ready reliability.
A modern tool watch with authentic heritage — designed for those who value purpose, resilience, and uncompromising craftsmanship.
Technical information
Movement: Sellita SW200-1 with Incabloc Shock Absorber
No of Jewels: 26
Scale Quantity: 2
Scale Range: 1-12 (13-24)
Calendar Type: Date
Luminous Features: Tritium Gas Tubes and MaraGlo
Crystal Material: Sapphire
Crown Type: Screw-Down
Case Material: 316L Stainless Steel
Case Finish: Brushed
Bezel Type: Uni-Directional
Bezel Scale: 60 Minute
Submersibility: 30 ATM
Styled With