Omega® Crown (Dustproof), steel, diameter 4.20 mm, see all case numbers in description Omega® 1021 Michael) chain drive

Michael) chain drive

115 x 444 (17 1/2")

for balance to fit Jaeger LeCoultre® calibres: 19RLEC

with a cutting portion measuring 2 3/4"

50 mm (for flat dial)

Omega® Crown (Dustproof), steel, diameter 4.20 mm, see all case numbers in description Omega® 1021 Michael) chain driveOmega Crown (Dustproof), steel, diameter 4. 20 mm, see all case numbers in description Omega Steel Dustproof Crown, thin, slightly domed, diameter 4. 20 mm, total height of crown including pipe 2. 60 mm, medium pipe, tap 0. 90 mm. Fits Omega case numbers: 6674, 7172, 7184, 8097, 8101, 8102, 8108, 8109, 8112, 8118, 8120, 8125, 8127, 8132, 8133, 8137, 8143, 8144, 8145, 8152, 8160, 8161, 8169, 8172, 8173, 8181, 8182, 8205, 8206, 8207, 8209, 8221, 11064,