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View picture in original size
Fig. 1

EB 1407

Features
manual wind
sub second
day
date

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
7/15/17 jewels
f = 18000 A/h
power reserve 37h

Balance staff U1388

Stem W1152

Mainspring / battery
Zf1469, 1.80 x 9.0 x 0.10 x 290mm

Hands
1.30 x 0.80 / 0.22mm

Comments about the data

Remarks
pin-lever escapement
ratchet on dial side, crown mechanism with rocker bar
differences not known between 1438, 1465

family/generations:
1197, 1343: 10.5''', sub second
1332, 1473, 1549, 1569, 1601: 11.5''', sub second
1362: 10.5''', sub second, day, date
1404, 1459: 10.5''', sweep second
1405, 1495: 11.5''', sweep second
1407: 11.5''', sub second, day, date
1438, 1465: 10.5''', sub second, date
1451: 10.5''', sweep second, date
1517: 11.25''', sub second
suffix N, -74: minor modifications and their year of introduction

Example, year: signature; shock device
ca. 1950: 33, 6, Swiss Made, 15 Jewels - EB 1197
(EB 1197, 10.5''')

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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