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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Benrus CW11 (ETA 1261)

manual wind
sub second

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.95mm
F= 0.9mm
T= 1.8mm
17 jewels
f = 18000 A/h
power reserve 53h

Balance staff U1885 / U3135
balance with/without screws

Stem W2120

Mainspring / battery
Zf1473, 1.80 x 9.5 x 0.11 x 290mm

1.50 x 0.80 / 0.21mm

Comments about the data

often or always signed as AS 1290

CW11: 11.5''', H= 3.95mm
DN2F: 11.5''', H= 3.6mm
There are probably further variants.

Example, year: signature; shock device
ca. 1945: ETA 1260, AXZ, Benrus Watch Co Inc, Model CW11, Swiss, 17 Jewels - 312; Benrus (axial)

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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