Watch Battery FAQS

This page contains FAQ information about watch batteries. Please see the HINTS section on this for more general information.

Q: How do I replace a watch battery?

A: Please see the hints section on replacing a battery: HERE

Q: I have a small clock shaped like a teapot, how do I get the movement out to replace the battery?

A: These are called “insert movements”, and they are just a push fit. This one will probably need a bit of levering between the front bezel and the “body”, with a suitable small knife blade. If you have strong nails you may be able to just pull it out, as the front bezel is usually proud of the rear body by half a millimeter (and the clock body won’t get marked if you can do it that way).

Q: I have a small clock that has an insert movement with a battery marked SR626SW, what is the numbered equivalent of this?

A: This can be confusing, although the 626 part decodes to a diameter range (6mm range, or actually 6.8mm), and the 26 means 2.6mm thick, the numbered equivalent is a 377. Many insert movements take a 377 battery. See the CHART for more equivalents.

Q: I have a watch that contains a BULOVA 626 battery, is this the same as an SR626SW (377)?

A: No, this is also another confusing one. The BULOVA batteries use a different set of numbers again, and their 626 one is the same as a number 389 battery. Their 606 is the same as the 377.

Q: I have a plant moisture sensor that uses 2 SR1130SW batteries. What is the numbered equivalent?

A: This is the same as a 389 battery,that also replaces the SR54, G10, V389, V390, and the SR1130W.

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