Mechanical Watch NH8391-51X Casio Digital Countdown Timer Measuring Unit: 1

Countdown Timer Measuring Unit: 1 second Countdown Range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

battery life: 3years on SR626SW

Powermatic 80 movement with nivachron™ balance spring: 80 hours power reserve

Strap Material : Liquid Silicone

Mechanical Watch NH8391-51X Casio Digital Countdown Timer Measuring Unit: 1Calibre No. 8200 Movement Automatic Signal Reception Without Radio Reception Function Strap Stainless Steel Water Resistant Water Resistant to 5 bar Weight 135g Thickness 13. 1mm Case Size 40. 2mm Case Stainless Steel Glass Crystal Warranty 3 years warranty Specification Automatic Day & Date Display CITIZEN C7 Series