Caliber Number 6R35 Movement Type Automatic with manual winding capacity Accuracy +25 to -15 seconds per day Exterior Case Material Stainless steel Crystal Sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and indexes Band Material Horse Skin Clasp Three-fold clasp with push button release Other Details Water Resistance 10 bar Case Size Thickness: 11.1 ㎜ Diameter: 39.3 ㎜ Length: 47.2 ㎜ Weight 83.0 g Other Specifications Screw case back See-through case back Other Features 24 jewels Date display Stop second hand function