Happy G-Shock Saturday! This Casio G-Shock Model GW6900-1 is such a perfect watch for me. I love the round shape which rides so comfortably on my wrist. Take it out of the box in the morning -- the screen is dark -- the first room lights hit it -- and the 6900 instantly wakes up with the exact time and date with the Multi-Band 6 Atomic Timekeeping function. Every time! No short month calendar date changes. No Daylight Savings time stress. Solar Powered (obviously) so no battery changes. What could be better? Seeing my friend @Brett Sutton's 6900 over time I finally ordered one, and couldn't be happier with it. Casio G-Shock Model GW6900-1 - Black Resin Sport Watch Featuring Shock Resistant Construction - Mineral Glass Crystal - 50mm Case Width, 17.7mm Thick, 53.2mm Lug-to-Lug - Weight 63g - Quartz Digital Movement, Accuracy of +/- 15 Seconds per Month (With No Signal Calibration) - 12/24-hour Formats - Full Auto-calendar to Year 2099 - Four Alarms, One Snooze Alarm - Solar Powered - Battery Level Indicator and Power Saving (display goes blank to save power when the watch is left in the dark) — Approximate Battery Operating Time 9 Months on Rechargeable Battery (operation period with normal use without exposure to light after charge), and 26 months (operation period when stored in total darkness with the power save function on after full charge) - Multi-Band 6 Atomic Timekeeping. Radio-controlled, Multi Band 6 Reception of Six Time Calibration Signals: Japan (2), United States, Germany, England, China - World Time — 31 Time Zones (48 Cities + Coordinated Universal Time), City Code Display. Daylight Saving On/Off - Functions Include Multi-Function Alarm, 1/100-second Stopwatch, Countdown Timer, Hourly Time Signal, Auto Calendar - 1/100 Second Stopwatch. Measuring Modes: Elapsed Time, Split Time, 1st - 2nd Place Times - Electro-luminescent Backlight, Full Auto EL Light, Afterglow - Water Resistant to 200m (660 feet). Suitable for Recreational Scuba Diving - Comfortable Resin Strap