Specification: Band Length: 240mm/9.45" Band Width: 24mm/0.94" Dial Thickness: 13.7mm/0.54" Dial Diameter: 47mm/1.85" Weight: 0.11kg/0.24 lb Material: Movement: Japanese imported Quartz Movement Case Material: Alloy Band Material: Silicone Clasp Type: Buckle Function: 3ATM Life Waterproof Watch Window: Hardlex Function: 1.Three multi-function sub-dials work with chronograph stopwatch and automatic date calendar function 2.Luminous hands :glow continually after absorbing enough light,easy to grasp the time at night and in the dark