Case opener - Watch tools Battery replacement - Replace Battery on Watch silver<br> Use this universal case opener to replace your watch battery<br> Easily change your watch's battery at home with this sturdy, universal case opener!<br> This case opener is universal and suitable for all watches and clockwork mechanisms with threaded cases. Adjustable up to 55mm to suit all sizes of clocks and movements.<br> Comes with interchangeable heads to fit all bells (round, triangular, square, curved)<br> Size: about 70mm*160mm<br> Remarque: les donnes sont toutes des mesures manuelles, s'il vous plat permettre une erreur de 1 - 3cm, en raison de la diffrence de lumire et d'affichage, il y aura une certaine diffrence de couleur, selon l'objet physique reuQuantit de livraison: (selon l'image principale)