Color: black, white *Material: High Quality Stainless Steel *Movement: Japanese Imported Quartz Movement *Waterproof: 30M (not for swimming shower and diving) *Battery Life: 3 Years *Warranty: We warrant the watch for 1 year, and we package it with shockproof foam protect the watch from damage. >>>Weight and Size The dial thickness: 10mm for men, 8mm for women The dial diameter: 40mm for men, 30mm for women Perimeter: 24cm for men, 22cm for women Band width: 18mm for men, 12mm for women Product weight: 97.5g for men, 55.5g for women >>>About Function Waterproof: 30 meters(not for swimming shower and diving) Special features: Week and day display Battery Lifetime: More than 3 years Clasp type: Bracelet Buckle