Seiko - Sur616P1

Movement Caliber Number 6N01 Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:6.2mm Diameter:30.0mm Lug-to-lug:39.5mm Crystal Sapphire crystal Clasp Three-fold clasp with push button release Distance between lugs 8 Other Details Water Resistance 5 bar Magnetic Resistance 4,800 A/m Weight 67.0