BatteryByDevice
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Replace batteries

Watch tools

Caseback openers when the watch documentation calls for them.

What this is for

These tools are chosen for the job described above, using maker specs where we can. Buy links are optional and never change a device’s battery answer.

Products

  • Bergeon 6438 Jaxa-style caseback opener

    Best suited to: Screw-back watch cases when documented

    Supports: coin

    Classic adjustable pin caseback tool

    Limit: Water resistance is not restored by a battery change alone

    SpecsBuy on AmazonAmazon UK

Buy links go to Amazon (Associates where tagged) or other affiliate programmes when available. They never change the battery answer.

All equipment jobs · Digital tools