Casio Collection Unisex Adults Watch B640WD-1AVEF

Classic Casio B640WD‑1AVEF sports a sleek silver resin case with a black LCD dial, quartz movement, 5‑bar water resistance and a stainless steel b ...
Sponsored
34.96 GBP
Price updated on: 02-03-2026 11:00:46
Sponsored
38.03 GBP
Price updated on: 07-09-2025 10:57:43
Sponsored
73.14 GBP
Price updated on: 11-07-2025 04:44:28

General

Brand
Casio
Model
Casio B640WD-1AVEF
MPN
Casio B640WD-1AVEF

Characteristics

Alarms and notifications
Hourly Time SignalSound Alarm(s) - 1 Daily alarm - Date alarm - Monthly alarmFlashing Light Signal
Alarms and timers
Alarm3 Multi Alarm, Hourly Time Signal
Alternative nr
B640WD-1AV
Back case
Closed With Screws
Back case material
Steel silver
Band length
160 - 220 mm
Band width
18.0 mm
Battery
CR2016
Battery life
036 months
Calendar
Auto Calendar
Calendar type
Day - Date - Month - Year
Case colour
Silver
Case material
Plastic / Resin
Case shape
Square
Case thickness
9.4 mm
Chronograph
Timer - 1/1 min. - 24 hours
Chronograph and timers
Stopwatch /Chronograph - 1/100 seconds 1 hourTimer(s) - Countdown timer with auto repeat function
Clasp type
Fancy Clasp
Color of the dial
Black
Crystal
Mineral
Diameter
35 mm
Display type
Digital
Lighting
LED:A light-emitting diode (LED) is used to illuminate the watch faceFlashing Light Signal
Mechanism
Quartz
Movement
12/24-hour Timekeeping
Movement brand
Casio
Movement Type
Quartz Digital
Strap color
Steel
Strap material
Metal
Strap type info
Stainless steel bracelet
Strap width at buckle
15 mm
Type of product
Watch
Water resistant
5 Bar (Shower)
Year
2013 Spring and
Menu