FHF 28

 
FHF 28 |

FHF 28

Description

The FHF caliber 28 is an interesting mens’ size movement from the mid last century.

Since this movement uses a direct driven center second, but was constructed in a classic way with a large minute wheel, it had to be made in two layers, which led to a large height. Be the slanted shape of the bridge gives it a very pleasent look and the two gold-toned chatons made it technical superior, too. So, it’s easy to say, that FHF belonged to the upper league.

The balance is, a bit unusal for FHF, beared in two three-leg shock protection systems, like Trishock.

On the dial side, you can see, as usual on better movements, a yoke winding system, a cap jewel for the anchor wheel and a preparation for alternative shock protections.

FHF 28: minute wheel bridge

minute wheel bridge

FHF 28: main plate

main plate

FHF 28: FHF 28 dial side

FHF 28 dial side

Technical data

Manufacturer:FHF
Caliber:28
Size:10 1/2'''
A/h:18000
lift angle:52.23°
Number of jewels:17
Escapement:Pallet lever
Balance types:Nickel screw balance
Shock protection(s):Incabloc
Ruby-Shock
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel
  • center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
Setting lever spring:3 holes
Features:
  • SCD (direct center seconds)
References:Flume: 1949 I 47
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

Usage gallery

FHF 28: Pronto gents watch

Pronto gents watch

FHF 28: Ancre gents watch

Ancre gents watch

Links