Ladies Daywear 50M Specifications Movement Caliber Number 6N01 Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:7.0mm Diameter:29.0mm Lug-to-lug:35.8mm Crystal Curved Hardlex Clasp Three-fold clasp with push button release Distance between lugs 13 Other Details Water Resistance 5 bar Magnetic Resistance 4,800 A/m Weight 55.0