B640WGG-9

• Case size (L× W× H): 38.9 × 35 × 9.9 mm
• Weight: 49 g
• Case and bezel material: Resin
• Band: Stainless Steel Band, Adjustable Clasp
• Water resistance: 50-meter water resistance
• Power supply and battery life: 3 years on CR2016

TECHNICAL DETAILS

• Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
• Product Dimensions ‏ : ‎ 3.9 x 3.5 x 1 cm; 49 Grams
• Date First Available ‏ : ‎ 18 July 2020
• Manufacturer ‏ : ‎ Casio
• ASIN ‏ : ‎ B088HGR2FV
• Item model number ‏ : ‎ B640WGG-9DF (D188)

Size of case / Total weight

• Size of case : 30.3×24.6×7.3mm
• Total weight : 27.8g

SPECIFICATIONS

• Case / bezel material: Resin
• Adjustable Clasp
• Stainless Steel Band
• Resin Glass
• Gold ion plated band
• 50-meter water resistance
• LED Backlight
  Afterglow
• Flash alert
  Flashes with buzzer that sounds for alarms, hourly time signal
• 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)
  Other: Auto-repeat
• Multi-function alarm
• Hourly time signal
• Full auto-calendar (to year 2039)
• 12/24-hour format
• Regular timekeeping: Hour, minute, second, pm, month, date, day
• Accuracy: ±30 seconds per month
• Approx. battery life: 3 years on CR2016