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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

AS 1457N

Features
automatic
sweep second

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.75mm
F= 1.2mm
T= 2.2mm
17/21/22 jewels
f = 18000 A/h
power-reserve 38h

Balance staff U2423 / U3133
balance with/without screws

Stem W2056

Mainspring / battery
Zf1121, 1.45 x 8.5 x 0.10 x 250mm

Hands
1.30 x 0.90 x 0.20mm

Comments about the data

Remarks
detached manual wind
differences not known between 1361N, 1457N, 1490, 1519

family/generations:
separate bridge for automatic click:
1336, 1427: smaller pillar plate 11.25'''
1361, 1423, 1457, 1490, 1519: -
1382, 1424, 1448, 1479: power reserve display, hand
1395, 1468: day, date pusher
1396, 1447, 1476: date pusher
1402, 1493: calendar, moon phase
1463, 1488: power reserve display, window
1555: date
automatic click beared in automatic brige:
1512, 1520, 1523: power reserve display, hand
1515, 1571: day, date pusher
1572, 1578, 1659: date
1574: power reserve display, window
1583, 1584, 1585: -
suffix N (not all calibres): modifications of automatic parts, not visible from outside

Example, year: signature; shock device
ca. 1960: K, v - DMG (MG in D); Incabloc

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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