A 371 watch battery
377 / 376 1.5v
SR920SW or equivalentlike 371
Watch Battery #371
I can't answer for all watches, of course, but it appears to be the 376/377 battery.
If you need a battery then there is nothing that can replace it.
Sony SR1116W
Open the back of the watch, the battery is stamped with a number.
how to replace battery
how to replace a mitsubishi endeavor battery
if the battery gets weak and useless, then you have to replace it...
How about: 7*53 = 371 or 1*371 = 371