Formulas and Terminology for Jewellers By Bruce Knuth
Rolex® 730
Omega® Case Back Gasket (Round O-Ring) OM-0880931N
50mm Screw Removing Punches are available in a variety of 10 sizes
and 1 back gasket (replaces crown T350
Generic (not genuine) Pusher to fit Omega® Chronograph, steel, case numbers: 1750033, 1750034, 3750032 F07 Series ETA Formulas and Terminology for JewellersGeneric (not genuine) Pusher to fit Omega Chronograph, steel, case numbers: 1750033, 1750034, 3750032 GENERIC (not original) Omega Chronograph steel pusher friction 2. 60 mm into the case, cap diameter 5. 00 mm, cap height 3. 40 mm, total height not including pusher stem 7. 20 mm. Fits Omega Case numbers: 1750033, 1750034, 3750032 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts