B640WMR-5ADF

• Case Size: 38.9 × 35 × 9.4 mm

• Weight: 55 g

• Material: Resin case, rose gold ion-plated stainless steel mesh band

• Glass: Resin Glass

• Water Resistance: 50 meters

• Battery: CR2016, approx. 3 years battery life

🔧 Main Features

• Light: LED backlight (amber) with afterglow

• Stopwatch: 1/100-second stopwatch (up to 24 hours), multiple modes

• Timer: Countdown timer (up to 24 hours) with auto-repeat

• Alarm / Time Signal: Multi-function alarm, hourly time signal

• Flash Alert: Flashes with buzzer for alarms and hourly signal

• Calendar: Full auto-calendar (up to year 2039)

• Time Format: 12/24-hour format

• Accuracy: ±30 seconds per month

• Regular Timekeeping: Hour, minute, second, PM, month, date, day