HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

View picture in original size
Fig. 4

View picture in original size
Fig. 5

View picture in original size
Fig. 6

View picture in original size
Fig. 7

View picture in original size
Fig. 8

View picture in original size
Fig. 9

View picture in original size
Fig. 10

View picture in original size
Fig. 11

FHF 72

Features
manual wind
sweep second
option: 24h display

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.6mm
F= 1.3mm
T= 1.9mm
17/19/21 jewels
f = 18000 A/h
power reserve 39h

Balance staff U2354 / U3145
balance with/without screws

Stem W2452

Mainspring / battery
Zf696, 1.20 x 10.5 x 0.12 x 320mm

Hands
1.30 x 0.90 x 0.21mm

Comments about the data

Remarks
different bridge shapes
Option: Incastar regulator /Fig.7):
The only large-scale produced regulator featuring a free oscillating hairspring. The end of the spring is fixed between two rollers, adjusting actually its length (photos at the bottom). No isochronism error by the gap between the regulator pins.
option Triostat regulator (Fig.10, 11):
unit with three adjustment features: precision adjustment for speed and regulator pin-width, as well as mobile stud carrier
differences not known between 72, 72-6, 72-7, 721, 723, 725, 725-7

family/generations:
72, 72-6, 72-7, 721, 723, 725, 725-7: -
72-2: date mounted on plate
72-4, 725-4: date integrated in plate
72-9, 725-9: date, jumping
suffix N: minor modifications date

Example, year: signature; shock device
1-2) ca. 1970: Ollech + Wajs, Swiss, 17 Jewels - FHF 72; Incabloc (24h)
3-4) ca. 1955: Swiss, 17 Jewels - NZ, FHF 72; Incabloc
5-7) ca. 1955: Luga, Cal.72 - FHF 72; Incabloc
(21 jewels, Incastar)
8-11) ca. 1960:7 - FHF 72, DKR; Incabloc
(Triostat)

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Poststr. 32a
26388 Wilhelmshaven
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.