This is a custom build of military watch based on original Seiko NH35 movement. - Case is titanium alloy, hypoallergenic, lightweight, 36mm. - The watch is waterproof to 5atm, tested in special machine. - NH35 is made by TMI, original high quality japanese movement. - Strap is green canvas, 20mm. - Saphire glass - Dial is full lume.