FASJ Watch Gasket O-Ring Kit - Professional & Amateur Watch Repair Tool for Rolex, Omega, Seiko - Perfect for Watchmakers, DIY Enthusiasts & Jewelry Repair Shops (Home, Workshop & Professional Use)

Feature:1. Multiple sizes of O‑ring are available for use, meet your different needs, convenient for use.2. Wonderful replacement for the old or broken one, easy to install, suitable for professional watch repair shop.3. It is one of the professional watch repair tools, suitable for watch repairers and amateurs, practical for use.4. Light weight and in small size, equipped with a box for easy storage, convenient to carry when going out.5. Made of high quality material, safe an eco‑friendly, non‑toxic, stable and easy to use, necessary watch accessory.How to Use:Open the front cover and install the O‑ring.Specification:Condition: 100% Brand NewItem Type: Watch O RingMaterial: PlasticApplicable People: Watch repair professionalsApplicable Scenarios: Used to add or replace the O ring of the watchSize Chart:41.2 x 40.5mm / 1.6 x 1.6in42.2 x 41.5mm / 1.7 x 1.6in43.2 x 42.5mm / 1.7 x 1.7in44.2 x 43.5mm / 1.7 x 1.7in45.2 x 44.5mm / 1.8 x 1.8in46.2 x 45.5mm / 1.8 x 1.8in47.2 x 46.5mm / 1.9 x 1.8in48.2 x 47.5mm / 1.9 x 1.9in49.2 x 48.5mm / 1.9 x 1.9in50.2 x 49.5mm / 2 x 1.9in41.7 x 41mm / 1.6 x 1.6in42.7 x 42mm / 1.7 x 1.7in43.7 x 43mm / 1.7 x 1.7in44.7 x 44mm / 1.8 x 1.7in45.7 x 45mm / 1.8 x 1.8in46.7 x 46mm / 1.8 x 1.8in47.7 x 47mm / 1.9 x 1.9in48.7 x 48mm / 1.9