Casio B640WD-1AV Classic Digital Chain Unisex Watch

Casio B640WD-1AV Classic Digital Chain Unisex Watch

• Gender: Unisex
• LED Light: Amber
• Glass material: Resin
• Case/bezel material: Resin
• Stainless Steel Band
• Adjustable hook buckle with safety clasp
• 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
• battery life: 3 years on CR2016
• Module 3294
• Size of case: 38.9 × 35× 9.4mm
• 50-meter water resistance

Watch Size Chart