This is a great tool to have for leather watch straps
Omega® Steel Threaded Waterproof Crown with large knurls
however can also used by Hobbyists and Craft people that are looking to hold and lock small and delicate parts for their applications
400 Day Clock Suspension Unit 68A can be identified in the Horolovar 400- Day Repair Guide and is the same as Unit 68B
50 mm Y-shape plastic cylinder crystal
Omega® Crown (Dustproof), yellow, domed, diameter 3.70 mm, see all case numbers in description Omega® 27.96 NN This is a great toolOmega Crown (Dustproof), yellow, domed, diameter 3. 70 mm, see all case numbers in description Omega Yellow Thin Dustproof Crown, domed, diameter 3. 70 mm, total height of crown including pipe 2. 80 mm, medium pipe, tap 0. 90 mm. Fits Omega case numbers: 5727, 7211, 7212, 8070, 8078, 8079, 8113, 11069, 14455, 1110028, 1110030, 1110031, 111004, 111005, 111023, 111028, 111030, 111031, 111054, 5110007, 5110011, 5110021, 5110022 *Perrin Supply Ltd is