Movement Accuracy:+/- 30 seconds a monthCalibre:PC32Movement Type:Quartz Exterior Dial Colour:BlueCase Material:Stainless steelStrap/Bracelet:Stainless steelStrap/Bracelet Width:20mmClasp/Buckle:Three-fold clasp with push button releaseCase Thickness:10.5mmCase Diameter:41mmWatch Length:240mmCase Back:Screw case back Other Specifications Water Resistance:10 barCrystal Type:Flat mineral crystalWatch Hands:Hour, Minute & second handsLuminous Hands/Indexes:Semi luminous handsOther Specifications:Date displayWeight:100g