These round plastic crystals are very thin and used for Hunting Case type pocket watches
*Perrin Supply Ltd is independent of and not affiliated with or sponsored by Kenneth Cole®
and sterling silver
case numbers: 196
Omega® Crown (Waterproof, Tap 0.90 mm), steel, square, see all case numbers in description Omega® 500 These round plastic crystals areOmega Crown (Waterproof, Tap 0. 90 mm), steel, square, see all case numbers in description Omega Steel Waterproof Crown, square, diameter 4. 50 mm, fits tube 2. 00 mm, total height 2. 40 mm, flush pipe, tap 0. 90 mm. Fits Omega case numbers: 11000, 11074, 135017, 135017SP, 135018, 135018SP, 135019, 135019SP, 135030, 1350016, 1350017, 1350019, 136017, 136017SP, 136018, 136018SP, 136019, 136019SP, 136022, 136028, 136030, 1360017, 1360019, 1360099,