Marathon
41mm Steel Navigator (SSNAV) on Ballistic Nylon

A robust tool watch that represents a fully re-engineered upgrade to Marathon's original Steel Navigator, developed in partnership with the Kelly Air Force Base in 1986. The Steel Navigator boasts enhanced functionality and unmatched accuracy that caters to pilots, parachutists, and adventurers. With the ETA F06.402 HeavyDrive-PreciDrive Quartz movement, featuring accuracy of ± 10s/year. Built from 316L surgical-grade stainless steel with a screw-down crown and synthetic sapphire crystal, making it operational even when submerged to 10ATM (100m/300ft). Features self-contained tritium gas tubes on hour markers and hands for constant visibility in low-light environments.