Casio F91 Digital Alarm Sports Watch Men's F91W-1 Digital Black/Blue

[Product Overview] Waterproof, microlight. Daily alarm, 1/100 second digital stopwatch. A proven style perfect for casual wear. With daily alarms, hourly time signals, and an automatic calendar, you'll never miss an appointment again. A classic black casual watch with a resin band.

[Specifications & Features] • Time signal, auto calendar, Accuracy: +/- 30 seconds per month • CR2016, approx. Battery life: 7 years • Module 593, Case size/Total weight: 37.5 x 33.5 x 9.5 mm / 20 g