- 44mm case excluding crown - 24mm lug width. - 316L stainless steel construction. - 100 meters water resistance. - Rare twin barrel 21 jewel vintage automatic winding Soviet military movement. Slava 2427. Full service in USA. - 38-41 hours power reserve. - LUM-TEC GX MDV® luminous hands and dial. - Quick-set date button. - Heavy sapphire crystal. - Double side anti-reflective coatings. - Anti-reflective tint coating (M17 model) - Diamond seal crown. - Bead blasted PVD hard coated full case and bracelet (M17,M18,M19 models) - 3 straps included, 316L stainless steel bracelet with matched finish, molded rubber strap with matched stitching, and leather strap with matched stitching - 1 year limited warranty