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Second Wheel FHS 150/151 Strike is the second wheel next to strike barrel #21
powerful cordless motor comes with a handy recharging unit
Genuine Omega® driving pinion mounted (hour recording)
Omega 1120 part number 20
Omega® Crown (Hermetic), steel, diameter 4.00 mm, see all case numbers in description clock crank keys black lineOmega Crown (Hermetic), steel, diameter 4. 00 mm, see all case numbers in description Omega Steel Hermetic Crown, square, diameter 4. 00 mm, fits tube 2. 00 mm, total height of crown 2. 45 mm, medium pipe, tap 0. 90 mm. Fits Omega case numbers: 2803, 2843, 2953, 2960, 7105, 7218, 7291, 7297, 8300, 8300SP, 8340, 8341, 8341SP, 8431, 8432, 8432U, 8434SP, 8434, 8437, 8470, 8472, 8787, 8789, 14371, 14373, 14383, 14387, 14711, 14756, 14757, 14771, 14786,