calibre # 881G
3 mm in diameter and has 76 teeth
Invicta® warranty does not apply to parts supplied by Perrin Supply Ltd
Bulova® part number 10BCC 63-64 GM17
4mm (1/4” thick)
Omega® Crown (Hermetic), yellow, thin, slightly domed, see all case numbers in description Omega® 20 NN calibre # 881GOmega Crown (Hermetic), yellow, thin, slightly domed, see all case numbers in description Omega Yellow Hermetic Crown, thin, slightly domed, diameter 4. 20 mm, fits tube 2. 00 mm, total height of crown 1. 90 mm, flush pipe, tap 0. 90 mm. Fits Omega case numbers: Fits Omega Case Number 994, 2398, 2659, 3994, 5298, 5336, 5738, 6278, 6282, 6312, 6520, 6521, 6687, 11042, 11044, 11079, 14343, 14376, 25419, 32576, 10707133, 10743221, 10777991, 10973062,