Omega® Crown (Waterproof, Tap 0.90 mm), steel, square, see all case numbers in description Omega® 500 These round plastic crystals are

These round plastic crystals are very thin and used for Hunting Case type pocket watches

case numbers: 196

Fits Omega® case numbers: 2472

of the head 2

Carrying case

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,