Skip to content
WatchtheDetails

Module · Casio · module

Casio module 2688

Casio module 2688 is a digital module by Casio. It runs on CTL16161 and keeps time to ±15 s/month1.

Sources checked · How we source numbers
CTL1616: drawing to scaleCTL1616: diameter 16 mm, height 1.6 mm.Ø 16−+1.6CTL1616
CTL1616, the cell the Casio 2688 takesDrawing from data, not a photo · mm

Casio 2688 at a glance

Power
solar cell and rechargeable battery1
Battery
CTL16161
Accuracy
±15 s/month1
Light
EL (electro-luminescent) panel1
Radio time
Yes1
World time
30 cities, 29 time zones1

New to the terms? Read quartz vs automatic or watch movement types.

Running the Casio 2688

Accuracy and battery figures for the Casio 2688, as Casio prints them.

Accuracy (maker)
±15 s/month1
Power saving
Yes1

Battery for the Casio 2688

  • CTL1616[1]CTL1616 is a rechargeable cell charged by light; it is replaced at a service

All Casio 2688 figures

Every figure we hold for the Casio 2688, with its source. Where sources disagree, each value is shown.

Accuracy and care

Accuracy (maker)
±15 s/month1

Power

Power source
solar cell and rechargeable battery1
Battery
CTL16161
Power saving
Yes1

Module functions

Light
EL (electro-luminescent) panel1
World time
30 cities, 29 time zones1
Radio controlled
Yes1

Not published yet

  • Display: not published by Casio
  • Battery life: not published by Casio
  • Hands and functions: not published
  • Alarms: not published by Casio
  • linked model: not published
  • Operating temperature: not published by Casio

Casio 2688 questions

What battery does the Casio module 2688 take?

The Casio module 2688 takes CTL1616. The CTL1616 in the Casio module 2688 is a rechargeable cell charged by light, not a disposable battery.

Source [1]

More on movements

Sources

Documents checked · Report a wrong number

  1. 1Casio Computer Co., Ltd. — Operation Guide 2608 2638 2688 (qw2688_EN.pdf) · pdf · read