Watch Tool Set, 149 pcs. - Professional complete set for battery replacement & strap adjustment This 149-piece watch tool set is your complete watchmaker's toolkit for the repair, maintenance and adjustment of wristwatches. Whether changing batteries, shortening watch straps, opening cases or replacing spring bars - this comprehensive watch repair set provides you with all the tools you need for mechanical, quartz and solar-powered watches. Perfect for beginners and advanced users who wish to service their watches themselves. All the details at a glance: