The Casio G-Shock GD-010-3ER is a men's sports watch offering a multitude of features combined with a modern design and proven durable construction. The Casio G-Shock GD-010 digital watch brings all the practical features covered by high durability nicely together. The watch doesn't lack world time, stopwatch, countdown timer, but also automatic LED lighting, which can be easily activated by pressing the large button at the bottom of the case. The durability is taken care of by the Carbon Core Guard construction. The resin case is reinforced and strengthened with carbon fibre. The Casio G-Shock GD 010-1 completes the range of models using digital displays. The latter, in addition to the time, displays the date, day of the week, stopwatch (with the ability to measure 1st and 2nd place and intermediate times), alarm and other functions. Travellers will be particularly pleased with the easy choice between world times and the ability to preset up to 4 time zones. The watch case, which is made of resin, is complemented by a rubber strap of excellent durability and long life. The materials used have helped the watch to achieve a weight of just 65 grams. The dial is protected by a mineral glass. The 51.9 mm case diameter makes the watch a large watch. The water resistance of this model is 200 m, so you can swim with the watch without any problems. The advantage of the model is the long battery life of up to 10 years. The Casio G-Shock model series offers a suitable watch for anyone looking for a combination of durable, sporty watches in an attractive design, combined with a rich range of functions. All models in this globally popular range are more resistant to shocks and impacts than conventional watches. They also demonstrate increased resistance to magnetic fields. Movement Movement Quartz Caliber 3569 Movement accuracy in seconds ±15 sec. / month Power Reserve 10 years Stopwatch measurement accuracy 1/100 sec. Dial and case Case size 51,9 mm Lug-to-lug: 54,9 mm Case height 16,1 mm Case shape Round Case material Resin Crystal material Mineral Dial Digital Strap Buckle Tang Buckle Function Alarm clock Yes Date Yes Backlight Yes Stopwatch Yes Day of the week indicator Yes Functions Date, Day of the week, Stopwatch, Alarm clock, Backlight, Automatic calendar, Dual time / GMT, World times Battery Yes