Watch Catalog

Casio Collection AQ-240E-3A

Silver, 40.9 × 35.8 mm, module 5154.

Specifications

Module
Casio module 5154, quartz · how to set it
Power
Approx. battery life: 3 years on SR920W · other watches that take SR920W
Accuracy
±30 seconds per month
Case size
40.9 × 35.8 mm (length × width)
Thickness
8.1 mm
Case
Resin / Chrome plated
Crystal
Resin Glass
Water resistance
30 m
Weight
51 g
Strap
Stainless Steel Band
Colour
Silver
Features
12/24-hour format, Alarm/hourly time signal, Calendar, Stopwatch, World time
Released
2025-11
Series
Casio Collection, AQ-240

Other watches on the 5154

Every 5154 watch

Questions

What module is in the Casio AQ-240E-3A?

Module 5154, a quartz movement. The module number is engraved on the caseback, and Casio's operation manual is filed under it: the module page links the manual and lists every watch that shares it.

What battery does the Casio AQ-240E-3A take?

SR920W. Casio's figure: Approx. battery life: 3 years on SR920W.

Does the Casio AQ-240E-3A have a sapphire crystal?

No. The AQ-240E-3A has a Resin Glass crystal.

How water resistant is the Casio AQ-240E-3A?

30 m (3 bar). That covers rain, splashes and hand washing, not swimming.