- Case / bezel material: Carbon / Resin　 - Resin Band - Mineral Glass - Shock Resistant - Carbon Core Guard structure - 200-meter water resistance - Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) - World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping - 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 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) - 5 daily alarms - Hourly time signal - Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) - 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)), 1 dial (mode) Digital: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month - Approx. battery life: 3 years on SR726W × 2 - Size of case : 51.2×48.7×14.1mm - Total weight : 64g