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Fig. 1

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Fig. 2

Alpina 874 (FEF 6620)

manual wind

5.75 x 6.75''', Dm= 13.05 x 15.15mm
Do= 13.05 x 15.55mm
H= 3.5mm
F= 0.6mm
T= 1.7mm
17 jewels
f = 21600 A/h
power reserve 45h

Balance staff U2478 / U3124 / U3513
balance with / without screws / for shock device

Stem W3347

Mainspring / battery
Zf1181, 1.50 x 6.0 x 0.065 x 195mm

1.00 x 0.55mm

Comments about the data

brand: Terval

872: 18000 A/h, setting-lever screw
874: 21600 A/h, setting-lever screw

Example, year: signature; shock device
ca. 1965: MBA, Watch Imp Corp, Swiss, 17 Jewels - PN; Incabloc
(FEF 6620)

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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