Battery Replacement and Re-sealing

We offer expert watch battery replacement starting from £5.00; available in our London Hatton Garden workshop or by post.

We are able to replace the watch battery and reseal any watch brand. Your watch will be returned with a guarantee for the level of water resistance at the time of the pressure test, giving you the peace of mind to use it without risk of damage to the precious internals.


Pressure test machine.

Only Swiss Batteries are used in our Battery replacement service.

Waterproof Watch- Depth Rating Guide:

Here at PERRI WATCHES REPAIRS, we follow industry standard definitions of water-resistant depth ratings indicated on either the watch case or dial.

No labelling on case or dial: Not resistant to splashing or contact with moisture of any kind.

    Water Resistant: 30M / 100Ft / 3ATM / 3Bar: Will resist moisture from accidental splashing, rain, sweat etc. Not suitable for immersion.

    Water Resistant 50M / 160Ft / 5ATM / 5Bar: Will resist moisture from accidental splashing, rain, and showering or swimming.

    Water Resistant 100M / 300Ft / 10ATM / 10Bar: Watch may be worn during swimming, snorkeling and skin diving, if properly sealed.

    Water Resistant: 200M / 660Ft / 20ATM / 20Bar: Watch may be worn during standard scuba diving.

At all times, it is essential that the case back and crown be properly tightened if applicable after the watch battery is replaced. Any buttons must not be operated when the watch is submerged unless approved in the operating manual for the watch.

Please contact us with any queries regarding our watch battery replacement service through our contact page.

67 - 68 Hatton Garden, New House, Suite 18, 2'' Floor, London, EC1N 8JY Phone: 020 7242 9998