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Fig. 3

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Fig. 4

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Fig. 5

ETA 2472

Features
automatic
sweep second
date: set by changing 20:30-24h

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.3mm
F= 1.4mm
T= 1.85mm
17/21/25 jewels
f = 18000 A/h
power reserve 42h

Balance staff U2226 / U3136
for balance with/without screws

Stem W2426, W3226

Mainspring / battery
Zf869, 1.30 x 9.5 x 0.105 x 300mm

Hands
1.50 x 0.90 x 0.21mm

Comments about the data

Remarks
differences not known between 2472, 2474, 2475

family/generations:
2390: manual wind, 10.5'''
2391: manual wind
2406: manual wind, date
2408: manual, new date mechanism
2450: automatic, 10.5'''
2451: automatic
2452: automatic, date
2453: like 2451, but single-material rotor
2454: like 2452, but single-material rotor
2456: automatic, date, 10.5'''
2471: automatic, prepared for new date
2472: automatic, new date mechanism

Example, year: signature; shock device
1-3) ca. 1965: COW, Croton Watch Co Inc, EJUE, B4848, Swiss, 17 Jewels - SC, Patented; Incabloc
4-5) ca. 1965: III, 4 - Patented, DST; Incabloc
(25 jewels)

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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