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View picture in original size
Fig. 1

MST 352

manual wind
sub second

10.5''', Dm= 23.35mm, Do= 23.65mm
H= 3.6mm
F= 0.5mm
T= 1.6mm
15/17 jewels
f = 18000 A/h
power reserve 35h

Balance staff U598

Stem W598 (water proof: W598A)

Mainspring / battery
Zf1221, 1.50 x 9.0 x 0.11 x 260mm

1.50 x 0.80 / 0.20mm

Comments about the data


351: 10.5''', 2 train cocks
352: 10.5''', 3 joint train cocks
352(SC): same, but sweep second
364: 11.5''', 3 joint train cocks
364(SC): same, but sweep second
400: 10.5''', train bridge
401: 11.5''', train bridge
415: 10.5''', train bridge, day, date
416: 11.5''', train bridge, day, date

Example, year: signature; shock device
ca. 1950: Roamer, Swiss Made, 15 Jewels - MST 352

© lottemann

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.

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