200m water resistant
LED backlight (Super illuminator)
Full auto LED light, selectable illumination duration (2 seconds or seconds),afterglow
Time calibration signal reception
Auto receive up to six times a day (remaining auto receives canceled as soon as one is successful), 5 times a day for the Chinese calibration signal, The latest signal reception results, Time Calibration Signals, Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz, Station name: MSF (Anthorn, England) Frequency: 60.0 kHz, Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz, Station name: JJY (Fukushima, Fukuoka/Saga, Japan), Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga),Station name: BPC (Shangqiu City, Henan Province, China) Frequency:68.5 kHz
Mobile link (Wireless linking using Bluetooth®)
5 World time register 39 time zones (39 cities +coordinated universal time), daylight saving on/off, Home city/World time city swapping, auto summer time (DST) switching
1/100-second stopwatch, Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes), 1:00'00~23:59'59 (after 60 minutes), Measuring unit: 1/100 second (for the first 60 minutes), 1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times, Countdown timer, Measuring unit: 1 second, Countdown range: 24 hours, Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments), 5 daily alarms (with 1 snooze alarm)
Low battery alert, Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099),12/24-hour format
Button operation tone on/off
Date display (day / month display swapping),Day display (days of the week selectable in six languages)
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: +_ 15 seconds per month
Approx. battery operating time: 10 months on rechargable battery (operation normal use without exposure to light after charge), 22 months on rechargable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case / total weight GMW-B500D 49.3 X 43.2 X 13.0 mm /167g, GMW-B5000TFG 49.3 X 43.2 X 13.0 mm / 167g
We could all use some extra time. If your new, unworn item is not 100% to your satisfaction, you have 30 days from the original ship date to return it. To be eligible for a return, your item must be unused, unworn and in the same condition that you received it. It must also be in the original packaging. More details can be found on our Returns page. Unfortunately SISU and Vestal watches sales are final and not eligible for return.
Warranty periods range from 12 months to lifetime, depending on the brand. All of the brands we carry come with their international manufacturer warranty.* All warranty issues are to be handled directly with the watch manufacturer, so be sure to keep your electronic invoice for proof of purchase from Watches.com as we're an authorized retailer. Contact the brand directly using the information in your warranty booklet or the manufacturer's website for complete warranty terms and repair instructions. Typically the manufacturer's warranty does not cover: battery, crystal, strap or bracelet; damage resulting from improper handling, lack of care, accidents or normal wear and tear; damage from contact with objects; water damage.
*Unfortunately SISU and Vestal watches do not come with an international warranty as they are no longer in business. All sales are final on SISU and Vestal with no returns accepted.