Seiko SUR401P1
CASE FUNCTIONS MOVEMENT Case Material Stainless steel Water resistance 5 bar Caliber no 6N52 Crystal Hardlex Case Size Thickness: 8.3 ㎜Diameter: 40 ㎜ Movement Type Quartz Clasp Three-fold clasp with push button release Weight 110.0g Accuracy ±15 seconds per month Battery Life Approx. 3 years