The Casio B640WC-5AVT brings timeless digital aesthetics to your wrist with its iconic square face and rose gold bracelet design. This vintage-inspired timepiece features a reliable quartz movement, water resistance up to 50 meters, and a practical digital display with multiple functions including chronograph, alarm, and world time. The stainless steel construction with rose gold plating ensures durability while maintaining an elegant appearance suitable for both casual and dress occasions. A perfect blend of retro charm and modern functionality for collectors and everyday wearers alike.

Movement: Quartz 

Battery Life: Approx. 3 years on CR2016

Accuracy: ±30 seconds per month

Case Diameter: 35

Case Length: 38.9

Case Height (Thickness): 9.4

Case Material: Resin

Bezel Material: Resin

Case Finish: Partial ion plated

Weight: 49 g

Band Material: Stainless Steel

Band Type: Adjustable clasp

Crystal: Resin Glass

Water Resistance: 50-meter water resistance

Dial / Display Type: Digital

Stopwatch: 1/100-second stopwatch

Stopwatch Capacity: 00'00''00–59'59''99 (first 60 minutes), 1:00'00–23:59'59 (after60 minutes)

Stopwatch Modes: Elapsed time, split time, 1st–2nd place times

Timer: Countdown timer

Timer Range: Up to 24 hours

Timer Settings: 1 second to 24 hours (1-second, 1-minute, 1-hour increments)

Timer Feature: Auto-repeat

Alarm: Multi-function alarm

Hourly Signal: Yes

Flash Alert: Flashes with buzzer for alarms and hourly signal

Light: LED backlight

Light Color: Amber

Afterglow: Yes

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

Time Format: 12 / 24-hour format

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