Note: we suggest you not wear it when swim . But if you go to swim or dive , please don't press any button underwater! Brand Name: SMAEL Item Type: Dual Display Wrist watches Feature: Alarm,Back Light,Water Resistant,Rattrapante, Multiple Time Zone, Chronograph,Perpetual Calendar,Shock Resistant,Stop Watch,Complete Calendar, Auto Date,LED display , instructions for 24 hours, weeks, according to the countdown, alarm clock,timing clock, Luminous,,phases of the moon, in display, Repeater, Swim Style: Sport ,Fashion & Casual Gender: Men ,Masculine,Boys,Teenage Man,Gentle man Movement: Dual Display (Quartz+LED) Display type: pointer + number Machine core brands: Japan Movement origin: Japan The bottom of the table type: ordinary Mirror material:PMMA Hardlex Bottom cover:304 stainless Band Material Type: PU Water Resistance Depth: 30Meter Case Shape: Round Clasp Type: Pin Buckle Watch button style: pin buckle Longest Band Length:22cm Shortest Band Length:14cm Band Width:2.1mm Dial Diameter:4.7cm Case Thickness:1.8cm Components Included: -1 x Genuine SMAEL Watch -1 x Use Manual