Casio General LF-20W-1A

• Case size (L× W× H): 37.8 × 33.7 × 8.6 mm
• Weight: 23 g
• Case and bezel material: Case / bezel material: Resin
• Band: Bio-based resin band
• Water resistance: Water Resistant
• Power supply and battery life: Approx. battery life: 3 years on CR1616

• Glass: Resin Glass
• Compatible band size: 125 to 200 mm

• World time:        Multi Time (4 different cities)
  
  

World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

• Stopwatch: 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
• Timer: Countdown timer Measuring unit: 1/10 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)
• Alarm/hourly time signal:             5 daily alarms or one-time alarms
  
  

Hourly time signal

• Light: LED backlight Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• Light color: LED:Amber
• Calendar: Full auto-calendar (to year 2099)
• Mute feature: Button operation tone on/off
• Accuracy: Accuracy: ±30 seconds per month
• Other features: 12/24-hour format

Regular timekeeping: Digital: Hour, minute, second, pm, month, date, day