G-Shock Watch Mini CasiOak GMA-S2100-1AER. The timepieces became equipped with various functionalities, which made them excellent for athletes, adventurers and military personnel. G-Shock watches feature atomic timekeeping, resistance to dust and cold. This Casio G-shock Analogue-Digital Watch for Men is the perfect timepiece to wear or to gift. It's Black 40 mm Round case combined with the comfortable Black Plastic will ensure you enjoy this stunning timepiece without any compromise. Operated by a high quality Quartz movement and water resistant to 20 bars, your watch will keep ticking. This practical watch is perfect for all occasions. It’s a great gift for your relatives and friends. The watch has a calendar function: Day-Date, Stop Watch, Worldtime, Countdown, Alarm, Light. High quality 21 cm length and 20 mm width Black Plastic strap with a Buckle. Case diameter: 40 mm, case thickness: 11 mm, case colour: Black and dial colour: Black.