Casio Digital Unisex Watch CA-53WF-1B Calculator Black Color Resin Strap Battery Life 5-Years sheen Additional features include a 1/100th

Additional features include a 1/100th second stopwatch

The metal bezel

Countdown range: 100 minutes

battery life: 3 years on SR726W X 2

GST-B400 Series

Casio Digital Unisex Watch CA-53WF-1B Calculator Black Color Resin Strap Battery Life 5-Years sheen Additional features include a 1/100thFeatures DATA BANK Vintage mannish color Calculator Water resistant 1 100 second stopwatch Dual Time Specifications Basic Information Case size (L W H) 43. 2 34. 4 8. 2 mm Weight 25 g Case and bezel material Case bezel material: Resin Band Resin Band Water resistance Water Resistant Power supply and battery life Approx. battery life: 5 years on CR2016 Exterior Glass Resin Glass Watch Features World time Dual time Stopwatch 1 100 second stopwatch