Marathon 41mm Original SAR w/ Date (OSAR-D) davosa It uses self contained Tritium

It uses self contained Tritium gas tubes to ensure constant visibility in low light situations

The Diver’s watch is water resistant down to 30 ATM - 300 meters (1000 feet) underwater

8 microns so it wears beautifully for years - the maximum possible thickness without loss of definition on case detailing (approx twice the industry standard thickness)

The high grip ‘coin edge’ provides easy handling whilst the triple sealed

Marathon 41mm Original SAR w/ Date (OSAR-D) davosa It uses self contained TritiumFounded in 1939, Marathon is a fourth generation, family owned brand known for producing high performance timepieces and instruments. Built to exacting standards and trusted for decades, Marathon blends Swiss engineering with rugged durability. Every watch is rigorously tested to meet strict quality and reliability benchmarks, making them ideal for demanding conditions. Designed to measure time, temperature, and distance with precision, Marathon