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Fig. 1

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Fig. 3

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Fig. 4

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Fig. 5

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Fig. 6

Zenith 2572PC

sweep second
date: quickset

11.5''', Dm= 25.6mm, Do= 26.0mm
later Do= 26.3mm
H= 5.7mm
F= 1.4mm
T= 2.0mm
17/23 jewels
f = 28800 A/h
power reserve 46h

Stem W3721

Mainspring / battery
1.20 x 10.0 x 0.10mm

1.30 x 0.80 x 0.20mm

Comments about the data

1975-1978, 205000
ball-bearing rotor
ball-bearing crown wheel, beryllium bronze
micrometer regulator
minor modifications during production periode (cf. photos)
Early samples still have the balance cock with hole for the previous stud carrier (Fig.3).

2572: manual wind, sweep second
2572C: manual wind, sweep second, date
2572P: automatic, sweep second
2572PC: automatic, sweep second, date

Example, year: signature; shock device
1-3) 1975: Zenith, Swiss, 17 Jewels, Unadjusted; Kif-Ultraflex
4-6) ca. 1978: Zenith, Swiss, 17 Jewels; Kif-Ultraflex

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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