38mm case excluding crown,18mm lug width, 316L stainless steel case, 100 meters water resistance, Rare twin barrel 21 jewel vintage automatic winding Soviet military movement. Full restoration and service in USA, 38-41 hours power reserve, LUM-TEC MDV technology®, Heavy sapphire crystal with tint and double anti-reflective coatings, Diamond seal crown, PVD hard coated case, bezel and crown, 316L stainless steel bracelet with PVD hard coating, 1 year limited warranty. Limited numbered series of 100 units only.