Quote Originally Posted by RobDad View Post
Never had to replace one and they still look good as new. I’m sure it wouldn’t be impossible to buy the correct ones - probably fit better than the ones Timpsons would bung in. I think if you’re careful amd clean everything plus grease the gasket you’ll be fine

Than-you. Just changed the battery and didn't grease the gasket but I don't wear it to swim, or even to wash up. I will make a note to clean and grease it next time.