Usually around 2-3 weeks. If you haven't had one before, the bracelet is junk. Otherwise they are excellent. They are rated to 200 meters, but I know someone in the trade who tested one to destruction, and it failed around 800 meters.not that bushcrafty but to be used when i'm out in the outdoors i gt myself a vostok amphibia watch - just have to see how long it takes to come from russia now https://vostokwatches.ru/image/cache/data/vostok-watches-Amphibian-Classic/420634-480x480.webp