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Find your Citizen Calibre Number
The calibre number of your watch will be engraved on the back of the watch case as shown in the image below:
The first 4 digits of the code (shown in red) indicate the calibre (workings) in the watch and are used to identify the correct battery with the required base cell and connectors.
The remainder of the code (shown in black) form the model number of the watch case and are used to identify the correct case seal.
If you cannot find the numbers for your watch please use our Contact Us form and we will help you.
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