Product Features: Brand: Joshua Sons Watch Shape: Round Band Material: Leather Display Type: Analog Targeted Group: Men Type: Casual Watch Model Number: JS-28-02 Case Dimension: 47 x 47 x 11.2 mm Water resistant: Yes Water resistant depth: 5 ATM/50 Meters/165 Feet Dial window material type: Krysterna Crystal Clasp: Tang Buckle Band Color: Black Case material: Stainless Steel Movement Type: Automatic Band width: 24 mm Band length: 9 inch Calendar: Date Displayed Between 4 and 5 O'clock Position Dial Color: Black UPC-A: 848572007207 Caseback: Stainless Steel, Screw Down Dial Features: Pave Pattern Hands: Silver Tone, Luminescent Markers: Roman Numerals, Silver Tone Subdials: Three, 60 Minute, 60 Seconds and Gmt Crown: Push/Pull Box Dimensions(WxLxH): 2.5 x 11 x 1.5 inch Details: Automatic movement winds with the movement of your arm. It is recommended that you wind the watch every two weeks. A screw-down crown (knob) creates a water-resistant seal. To unscrew the crown, turn counter-clockwise and pull/push into position to set time, date, and other functions. To close the crown, press it against the case and turn clockwise.