FHF 72
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| FHF 72 |
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Description
The FHF caliber 72, which is obviously a direct relative of the
FHF 67, is a very nice classically
constructed mens' watch movement.
The center second of this flat movement is directly driven; the ring
balance with screws uses a blue Nivarox-1 hairspring, which is still
non-adjustable connected to the balance cock. The missing regulator arm
gives it a slightly modern touch.
How rugged this movement is, can be seen on the specimen shown below: It
survived an amateurisch skeletonize attempt by myself.

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| A youth sin: Self-skeletonized FHF 72 |
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| dial side view |
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Technical data
| Manufacturer | FHF |
| Caliber | 72 |
| Number of jewels | 17 |
| Escapement | Anchor with pallets |
| Balance | Nickel screw balance |
| Shock protection(s) | Incabloc |
| Balance cock direction | clockwise |
| Hairspring stud | fixed |
| Regulator type | Hairspring key |
| Movement construction | Fork Escapement wheel, Fourth wheel, Third wheel, Center wheel Mainspring barrel |
| Features | SCD |
| Functions | Hour, minute, second |
| Beats per hour | 18000 |
| Size | 111/2''' |
| Image in Flume Werksucher | 1962 8 |
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| Factsheet |
Usage gallery