![Zenith 40T-110, Train wheel bridge](http://urdelar.se/cdn/shop/files/0000_zenith_1_38ea75b2-6c0e-46af-a2c0-032cc226e319_{width}x.jpg?v=1695553538)
Zenith 40T-110, Train wheel bridge
- ZENITH original rhodium-coloured train wheel bridge in very good used condition.
- Comes with insetting for escape wheel.
- Fits cal: 40T
Data: Zenith cal: 40
- 17 jewels, manual wind, sub second.
- Size: 12''' 26.75 mm.
- H: = 3.80 mm.
- N: = 18.000 A/h.
- Power reserve: 45 h.
- Mainspring: 1.55 X 10.5 - 0.105 - 380
Versions:
- 40: 1955 - 1960, "screw" balance.
- 40T: 1958 - 1963, flat balance ring.