The BA135 35th anniversary edition proves basic black never looks more elevated than with genuine diamonds. The large 46mm case is dressed with diamond markers at 12, 3, 7, and 9 o'clock. For a nod to Baby-G's 35th anniversary, the marker at 7 o'clock gets an gold ion plated ring as well as a gold ion plated caseback etched with the three and five star 35th anniversary logo. 35th Anniversary Edition with diamond markers at 12, 3, 7 and 9 Case / bezel material: Resin Resin Band Neobrite Shock Resistant Mineral Glass 100-meter water resistance (330 feet) LED lightAfterglow World time29 time zones (48 cities + coordinated universal time), daylight saving on/off 1/100-second stopwatch Measuring capacity: 23:59'59.99'' 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) Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 2 years on SR726W × 2 Size of case : 46.3×43.4×15.8mm Total weight : 45g