This Casio G-shock Analogue-Digital Watch for Men is the perfect timepiece to wear or to gift. It's Black 45 mm Round case combined with the comfortable Black Plastic watch band 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. Classic and charming watch perfect for every occasion -The watch has a calendar function: Day-Date, Stop Watch, Worldtime, Countdown, Alarm, Light High quality 21 cm length and 24 mm width Black Plastic strap with a Buckle Case diameter: 45 mm,case thickness: 11 mm, case colour: Black and dial colour: Black. The G-SHOCK GA-2100 Utility Black Series is a new twist on the original iconic stealth model GA-2100-1A1 model, born by adding fluorescent highlights. These watches retain the simplified bezel lettering and black dial of the original, and the GA-2100-1A4ER has neon orange details on the hands, hour marker tips, day indicator, and dial labels. The lightweight GA-2100 is still the slimmest G-SHOCK men’s model, and features a a Carbon Core Guard structure with an interior case made of carbon fiber-reinforced resin. Other features include world time, stopwatch, countdown timer, 5 alarms, and double LED light with LCD backlight. Case measures 48 x 12mm, 200m water resistant. The Casio GA-2100-1A3ER watch combines a 45mm round shaped resin case and black resin strap with a buckle. It has a black dual display dial which is protected beneath mineral crystal glass. Power is generated by the quartz movement. This model also has a water resistance of up to 200 metres.