Oil Pump 49.5MM OI100.21.AA.AA.B
Jacob & Co. OI100.21.AA.AA.B · Black
OI100.21.AA.AA.B · Black
- Movement
- Calibre not publicly disclosed (public sources checked)
- Case width / diameter
- 49.5 mm
- Thickness
- 20 mm
- Years
- Historical / catalogued
5 exact references in this family. 5 currently meet the exact-reference dimension threshold for a page; variant and case differences remain visible at the reference level.
OI100.21.AA.AA.B · Black
OI100.30.AA.AA.B · White Gold
OI100.30.AB.UA.A · White Gold (Green)
OI100.40.AA.AB.A · Rose Gold (Green)
OI100.40.AA.AC.A · Rose Gold