EB 1197 o family. Depende diametro y otros detalles
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Fig. 1
Fig. 2
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EB 1197N[/SIZE]
Features
manual wind
sub second
Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.2mm
F= 0.6mm
T= 1.8mm
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[/TD]
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Remarks
pin-lever escapement
ratchet on dial side, crown mechanism with rocker bar
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. 1965: RA, Swiss, 17 Jewels[/TD]
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