20mm FKM (Patterned) Rubber Strap with Quick Release Feature for Fast and Easy Fitting and Removal Best Seller Movement: Hybrid Mechanical/Quartz with Hack

Movement: Hybrid Mechanical/Quartz with Hack System

As a precursor to the Dirty Dozen watches

For professionals who rely on their watch in harsh environments

this modern version remains visually almost identical to the factory's WWII-era timepieces

and clarity

20mm FKM (Patterned) Rubber Strap with Quick Release Feature for Fast and Easy Fitting and Removal Best Seller Movement: Hybrid Mechanical/Quartz with HackFKM2 FKM, short for Fluoroelastomer, is a high performance synthetic rubber known for its exceptional density, durability, and resistance to water, chemicals, oil, and heat. Originally developed for aerospace applications, FKM was designed to meet the stringent reliability and longevity requirements of aircraft and space missions. These qualities make FKM straps highly favored by military personnel, police officers, and professional divers, as they