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Fig. 1

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Fig. 2

Election 275A (Marvin 160A)

Features
manual wind

Data
5.5 x 7''', Dm= 12.2 x 15.5mm
H= 3.6mm
17 jewels
f = 21600 A/h
power reserve 36h

Balance staff U3374

Stem W3305

Hands
1.10 x 0.54mm

Comments about the data

Remarks
Bestfit specifies Election 275 and Marvin 160 as equivalent, while most other registers give different staffs, stems, and mainsprings. But the differences of their dimensions are rather small, and the parts are probably interchangable.

family:
275: 18000 A/h
275A: 21600 A/h

Example, year: signature; shock device
ca. 1950: Marvin***, 160, Marvin, Swiss Made, 3 Adjs, 17 Jewels
(Marvin 160, 18000A/h)

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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