Marathon Watch 36mm Officer's Mechanical (GPM) mechanical Solid steel case back with

Solid steel case back with Hamilton emblem

The rollers allow you to change the aesthetics of the watch very quickly and easily

Yellow gold plated case

Solid case back with Longines emblem

Marathon Watch 36mm Officer's Mechanical (GPM) mechanical Solid steel case back withMarathon's Officer's Watch features a case diameter of 36mm, a thickness of 11mm, and 16mm lug width, making it perfect size for everyday wear. Commonly known as the Officers Field Watch Mechanical (OFM) or Stainless Steel General Purpose Mechanical (GPM SS). Powered by an ETA 2801 movement with 17 jewels, ensuring accurate timekeeping and longevity. The watch features two scale quantities with a range of 1 12 and 13 24, making it easy to read both