Casio – Vintage All Black Digital Quartz 38.9mm x 35mm B640WB-1BVT

Description

• 1/100-second stopwatch
• 50-meter water resistance
• Popular retro design
• LED backlight
• Black ion plated hand

Basic Information

Case size (L x W x H): 38.9 × 35 × 9.4 mm

Weight: 49 g

Case and bezel material: Resin

Band:

• • Adjustable Clasp
  • Stainless Steel Band

Water resistance: 50-meter water resistance

Power supply and battery life: Approx. battery life: 3 years on CR2016

Exterior

Glass: Resin Glass

Surface treatment:

• • Black ion plated band
  • Black IP

Watch Features

Stopwatch:

• • 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

Timer:

• • 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

Alarm/hourly time signal:

• • Hourly time signal
  • Multi-function alarm

Flash alert feature:

• • Flash alert
  • Flashes with buzzer that sounds for alarms, hourly time signal

Light:

• • LED backlight
  • Afterglow

Light color: LED: Amber

Calendar: Full auto-calendar (to year 2039)

Accuracy: ±30 seconds per month

Other features:

• • 12/24-hour format
  • Regular timekeeping: Hour, minute, second, pm, month, date, day