Model:2318 Movement Model:2H660 Drive: Single spring Winding method: Automatic winding Power reserve:45 (hours) Vibration frequency:21600 (times/hour) Case diameter:42X50mm Case thickness:13mm Strap width:22mm Case Material: 316L Stainless Steel Strap Material: Rubber Crystal: Mineral Back Cover: Mineral Crown: Straight-in Waterproof: 50M
