Haofa 2318 Model 3D Earth Rotating Mineral Crystal Watches

Product Parameter

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