The G-Shock GMB2100D-1A is a remarkable full metal men's wristwatch. Crafted from high - quality stainless steel, it offers outstanding durability and is water - resistant up to 200 meters, making it perfect for all your adventures. The watch features tough solar power, which means you'll never have to worry about running out of battery. With the Bluetooth smartphone link, it automatically adjusts the time, keeping you connected and on - time. Packed with a plethora of functions, such as world time for 300 cities, a stopwatch, timer, and 5 daily alarms, it caters to all your time - keeping needs. The LED light, full auto - calendar, and ±15 seconds per month accuracy add to its reliability and convenience. - 49.8 × 44.4 × 12.8mm Case Size - 165g Weight - Stainless Steel Band, Bezel and Case - One - touch 3 - fold Clasp - Shock Resistant - 200 Meters Water Resistant - Bluetooth: Connects to a smartphone and auto - adjusts time - Tough Solar (Solar powered) - Smartphone Link: Mobile link (Wireless linking using Bluetooth®) - Approximately 300 world time cities - Time & place, Reminder, Phone finder - Mineral Glass - Screw Lock Back - World time: 38 time zones (38 cities + coordinated universal time), city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping - Stopwatch - Timer - Alarm/hourly time signal: 5 daily alarms - Double LED light - Calendar: Full auto - calendar (to year 2099) - Mute feature: Button operation tone on/off - Power Saving (display goes blank to save power when in the dark) - Approx. battery operating time: *7 months on rechargeable battery (normal use without light after charge) *18 months on rechargeable battery (stored in darkness with power save on after full charge) - Accuracy: ±15 seconds per month (no mobile link function) - Hand shift feature (Hands move for unobstructed digital display view) - 12/24 - hour format - Date/month display swapping - Day display (days of the week selectable in six languages) - Regular timekeeping
Using your G - Shock GMB2100D - 1A watch is a breeze. To connect it to your smartphone via Bluetooth, first make sure Bluetooth is enabled on your phone. Then, follow the instructions in the app to pair the two devices. Once paired, the watch will automatically adjust the time for you. The world time function allows you to select from about 300 cities. Just navigate through the menu to pick your desired city. The stopwatch and timer are handy for various activities. Press the relevant buttons to start, stop, or reset them. There are 5 daily alarms you can set to remind you of important events. To set an alarm, access the alarm setting menu and choose the time and day. When it comes to the LED light, simply press the designated button to illuminate the watch face. The full auto - calendar keeps track of dates until 2099, so you don't have to worry about manual adjustments. As for maintenance, keep your watch clean by wiping it with a soft, dry cloth regularly. Avoid exposing it to extreme temperatures and strong chemicals. If you're swimming or diving, make sure the watch is properly sealed and within its 200 - meter water - resistance limit. Also, take advantage of the power - saving feature by leaving the watch in the dark when not in use. This will help extend the battery life.
