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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

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Fig. 6

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Fig. 7

Kienzle 57/22

date: set by +/-24h

12.75''', Dm= 28.9mm, Do= 29.5mm
H= 7.8mm
(incl. rotor holding plate, if not sunk in rotor)
F= 1.9mm
T= 2.9mm
21 jewels
f = 18000 A/h
power reserve 40h

Balance staff U1626

Stem W2976

Mainspring / battery
1.58 x 9.0 x 0.095 x 290mm
replacement: Zf1269, 1.60 x 9.0 x 0.10 x 290mm

1.28 x 0.98mm

Comments about the data

1956-1963 (whole family)
pin-lever escapement with ruby pins (Fig.6)
detached manual wind
ratchet on dial side, crown mechanism with rocker bar
Base movement and automatic module (Fig.7) are pillar designs, where almost all lubrication spots are freely accessible. Thus both can be maintained only partially disassembled.
Modifications, especially varying rotor shapes, can't help with dating, due to the short manufacturing periode and missing records.
differences not known between 57/22, 58/21
The varying balances with pulse jewel on a spoke (example 58/21) or pulse jewel on a bigger hub (example 57/22) are also met in other calibres of the family.

manual wind, without shock protection:
48: sub second, 4 jewels
manual wind, many dedails modified:
48/4: sub second, 4 jewels
48/8, 48/8a: sub second, 8 jewels
48/10, 48/10a: sweep second, 10 jewels
manual wind, shock protection:
48/4a: sub second, 4 jewels
48/7: sweep second, 7 jewels
48/8b, 48/8c: sub second, 8 jewels
48/10b, 48/10c: sweep second, 10 jewels
manual wind, gilt, minor modifications:
48/00: sweep second, 0 jewels, pointed staff
48/05: sweep second, 5 jewels
48/15: sweep second, 15 jewels
48/75: sweep second, 7 jewels
48/75: sub second, 7 jewels
57/17: sub second, 17 jewels
57/17a: sweep second, 17 jewels
57/19: sweep second, 19 jewels
57/21, 57/21a: sub second, 21 jewels
57/22, 58/21: date, 21 jewels

Example, year: signature; shock device
1-3) ca. 1960: 57/22, Kienzle, Germany, Unadjusted, 21 Jewels - nu; Kienzle
4-5) ca. 1960: 58/21, Kienzle, Germany, Unadjusted, 21 Jewels- gu; Kienzle
(Kienzle 58/21)
6-7) ca. 1960: 57/21, Made in Germany - gu; Kienzle
(Kienzle 57/21)

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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