CASIO Vintage B640 Series – Model B640WC-5AVT

The CASIO Vintage B640WC-5AVT is a classic digital watch that blends a popular retro design with reliable everyday functionality. Featuring a stainless steel band with a refined partial ion-plated finish, this model delivers timeless style in a compact, lightweight form.

Design Overview

The B640WC-5AVT showcases a slim rectangular case inspired by iconic Casio Vintage designs. Its warm-toned metallic band pairs seamlessly with a clean digital display, making it suitable for casual wear, office use, or daily styling. The understated profile ensures comfort while maintaining a distinctive retro presence.

Key Highlights

• Classic Casio Vintage retro design with a slim profile.
• 1/100-second stopwatch for precise time measurement.
• 50-meter water resistance for everyday peace of mind.
• LED backlight for clear visibility in low-light conditions.

Specifications

Basic Information

• Case Size (L × W × H): 38.9 × 35 × 9.4 mm
• Weight: 49 g
• Case & Bezel Material: Resin
• Band: Adjustable clasp stainless steel band
• Water Resistance: 50-meter water resistance
• Power Supply & Battery Life: Approx. 3 years on CR2016

Exterior

• Glass: Resin glass
• Surface Treatment: Partial ion plated

Watch Functions

Stopwatch

• 1/100-second stopwatch
• Measuring Capacity: 00'00"00–59'59"99 (first 60 minutes), 1:00'00–23:59'59 (after 60 minutes)
• Measuring Modes: Elapsed time, split time, 1st–2nd place times

Timer

• Countdown Timer: Up to 24 hours
• Setting Range: 1 second to 24 hours (1-second, 1-minute, and 1-hour increments)
• Other: Auto-repeat function

Alarm & Alerts

• Multi-function alarm
• Hourly time signal
• Flash alert: Visual alert with buzzer for alarms and hourly signal

Lighting

• LED backlight
• Afterglow
• Light Color: Amber LED

Calendar & Accuracy

• Full auto-calendar: Pre-programmed until the year 2039
• Accuracy: ±30 seconds per month

Other Features

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

Summary

The CASIO Vintage B640WC-5AVT is a compact, lightweight, and reliable digital watch that captures the essence of classic Casio design. With practical features such as a 1/100-second stopwatch, 50-meter water resistance, and an amber LED backlight, it is an excellent choice for those seeking a retro-inspired everyday watch with dependable performance.

For more details, visit the official CASIO website here.

Warranty

All our G-SHOCK watches include the official manufacturer’s warranty for peace of mind and long-term protection.

▶︎Processing Time & Shipping Policy

▶︎Refund policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.