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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Hanhart 37 old

Features
timer, 60s (0.2s), 30min, pillar wheel
option: 30s (0.1s), 15min
stem wind
sweep second

Data
19.5''', Dm=Do= 44.0mm
incl. balance cock and dial mounts:
H= 8.1mm
T= 4.7mm
2 jewels
f = 18000 A/h:
power-reserve 14h
f = 36000 A/h:
power-reserve 7h

Balance staff U1375

Stem W1744

Mainspring / battery
Zf132, 1.95 x 15.5 x 0.20 x 360mm

Hands
1.35 / 1.35mm

Comments about the data

Remarks
open face calibre
pin-lever escapement
stop function with pillar wheel
pendant mounted on movement
Early calibres are poorly, often contradictorily recorded, and have no calibre signature. Therefore only reasonably known calibres are listed here.

family/generations:
(all 19.5''' if not else mentioned)
brass, balance-stop with wire-spring:
35 old: 3 jewels, pin lever, addition timer
37 old: 3 jewels, pin lever
45 old: 7 jewels, pallet lever, addition timer
47 old: 7 jewels, pallet lever
55 old: 11 jewels, pallet lever, addition timer
57 old: 11 jewels, pallet lever
additional second stop, balance-stop mostly with helical spring:
35: 3 jewels, pin lever, addition timer
37: 3 jewels, pin lever
45: 7 jewels, pallet lever, addition timer
47: 7 jewels, pallet lever
55: 11 jewels, pallet lever, addition timer
57: 11 jewels, pallet lever
75: 3/7 jewels, further features not known
80: 13 jewels, pallet lever, split second, 20.5'''
85: 11/13 jewels, pallet lever, addition timer, split second, 20.5'''
nickel plated, dial mounts moved:
36: 3 jewels, pin lever, addition timer
361: 1 jewel, pin lever, addition timer
367: 7 jewels, pin lever, addition timer
38: 3 jewels, pin lever
381: 1 jewel, pin lever
387: 7 jewels, pin lever
446: 7 jewels, pallet lever, addition timer
48: 7 jewels, pallet lever
56: 11 jewels, pallet lever, addition timer
58: 11 jewels, pallet lever
71: pallet lever, features not known, 22'''
72: 11 jewels, pallet lever, addition timer, hour counter
86: 13 jewels, pallet lever, addition timer, split second
786: 7 jewels, pallet lever, addition timer, split second
variants with 18000 A/h and minute counter up to 60 instead 30:
135: else like 35
136: else like 36
145: else like 45
146: else like 46
155: else like 55
156: else like 56
186: else like 86
variants with 18000 A/h and center minute:
436: else like 36
446: else like 46
456: else like 56

Example, year: signature; shock device
1) ca. 1935: 206, 202, AH
(Hanhart 35 old, 18000 A/h)
2) ca. 1930: 20, AH, Ancre 11 Rubis, Antimagnetisch
(Hanhart 57 old, 36000 A/h)

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


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