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

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