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View picture in original size
Fig. 1

Benrus BK (ETA 1081)

manual wind
sweep second

11.25''', Dn= 25.38mm
H= 4.15mm
F= 1.5mm
T= 2.0mm
17 jewels
f = 18000 A/h
power reserve 42h

Balance staff U1397

Stem W1161 (W2767)
(cf. ETA 1080, 1256)

Mainspring / battery
Zf1223, 1.50 x 9.5 x 0.11 x 290mm

1.50 x 0.90 x 0.21mm

Comments about the data

like Benrus BH (ETA 1081), just smaller base plate

Example, year: signature; shock device
ca. 1950: Benrus Watch Co Inc, Model BH 14, Swiss, 17 Jewels; Benrus (axial)
(Benrus BH, 11.5''')

© M. Lorenz

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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