50 mm (for flat dial)
Wire Bending Tool 5 1/4" is approximately 5 1/4" long with 1/4" deep slot
20 mm is a set of 12 pivot cutting broaches with a PVC handle
1151 and 1161
with a cutting portion measuring 2 3/4"
Omega® Crown (Dustproof), steel, diameter 4.20 mm, see all case numbers in description Omega® 1021 50 mm (for flat dial)Omega 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,