Casio Edifice men's watch Smartphone Link Solar-Powered Chronograph ECB-900MDC-1ADR

Tough Solar Dual LED light LED face light (fully automatic LED lighting, high-brightness lamp, optional lighting duration of 1.5 seconds or 3 seconds, twilight lighting) LED backlight for digital display (fully automatic LED lighting, high-brightness lamp, optional lighting duration of 1.5 seconds or 3 seconds, twilight lighting) Mobile link (wireless connection using Bluetooth®) World time 39 zones* (39 cities + Coordinated Universal Time), daylight saving time on/off, automatic DST switching, original city/UTC city switching *May be updated when connected to a smartphone. Stopwatch with 1/1000 second accuracy Measurement capacity: approximately from 00'00''000 to 59'59''999 (for the first 60 minutes) from 1:00'00"0 to 23:59'59"9 (after 60 minutes) Measurement units: 1/1000 second (for the first 60 minutes) 1/10 second (after 60 minutes) Measurement modes: elapsed time, lap time Recorded data: up to 200 records (lap times) Other: speed (from 0 to 400 units/hour) Countdown timer Units: 1/10 second Countdown range: 24 hours Start time setting range: from 1 second to 24 hours (with 1-second, 1-minute, and 1-hour increase rates) Multi-function alarms (with daily alarm, one daily alarm, schedule) Hourly time signal Hand displacement feature (hands move away from the display to view digital contents without obstruction) Battery level indicator Full automatic calendar (up to year 2099) 12/24-hour format Power on/off of operation tone Power saving mode (display disappears and hands stop to save energy when the watch is in a dark area) Regular time display Analog: 3 hands (hours, minutes (hand moves every 10 seconds), seconds), one dial (speed indicator) Digital: hours, minutes, seconds, AM/PM, month, date, day Accuracy: ±15 seconds per month (without mobile link function) Approximate battery operation time: 6 months with rechargeable battery (normal use without exposure to light after charging) 19 months with rechargeable battery (when stored in complete darkness with power saving mode active after full charge) Case size: 51.5×48×13.9 mm Total weight: 164 g