Hello chaps, I need to replace the battery in my Seiko but I'd like to ensure it stays waterproof. Timpson's have offered to do it for £15 whereas everyone else is charging £50 plus sending it away, so will avoid them I think! Does anyone know of a reliable and reputable watch repair service (either online or near to Warwick) that they'd recommend? It only needs to be resistant to 10bar (although 5bar would probably be fine). Many thanks!