Omega CALIBRE 2628 Technical Manual page 5

Mainplate
Balance bridge
Barrel, complete
Mainspring
Oscillating weight
Second wheel
Intermediate escape wheel
Co-Axial wheel
Pallet fork
OMEGA SA
Differences between versions 2628A and 2628B
2628A (4 Hz)
ref. 72226281002007
Engraving 2628A
ref. 7222500B10058°
ref. 7222500B20010
ref. 7222500B20102
2628 2628
ref. 72226282201006
ref. 722112830027*
96 teeth and eight arms
ref. 7222500B30039
8-leaf pinion
ref. 7222500B30040
Pinion Ø = 1.999 mm
Old shape
ref. 7222500B40010
WORLD SERVICE ORGANIZATION
2628B (3.5 Hz)
ref. 7222628B81002007
Engraving 2628B
ref. 7222500C10058°
ref. 722112020010
ref. 722112020102
2628B 2628B
ref. 7222628B2201006
ref. 7222628B30027*
105 teeth and fi ve arms
ref. 7222500C30039
10-leaf pinion
Cutout in upper pivot shank
ref. 7222500C30040
Pinion Ø = 2.119 mm
New shape
ref. 7222500C40010
GT-19-C-006-E - D -2628
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