Specification: Caliber Number: 6R35 Movement Type: Automatic with manual winding capacity Accuracy: +25 to -15 seconds per day Exterior Case Material: Stainless steel (super hard coating) Crystal: Sapphire crystal Crystal Coating: Anti-reflective coating on inner surface LumiBrite: Lumibrite on hands and indexs 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 ㎜ Other Specifications Screw case back See-through case back Other Features 24 jewels Date display Stop seconds hand function