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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Raketa 2609B

Features
manual wind
sweep second

Data
11.5''', Dm= 26.0mm, Do= 26.6mm
H= 4.6mm
F= 1.1mm
T= 2.4mm
21 jewels
f = 18000 A/h
power reserve 38h

Balance staff U3365

Stem W2988

Hands
1.60 x 1.00 x 0.19mm

Comments about the data

Remarks
Breguet hairspring
Raketa combined settings for escapement wheel and third wheel
differences not known between 2609A, 2609A.1, 2609B
There are some detail differences within the family which can't be assigned to particular variants, e.g. long or short regulator hand, 1 or 2 crown-wheel screws, 8 or 16 balance screws, with or without recesses for casing screws, Incabloc or Poljot shock devices.

family/generations:
lever cock:
2609: 16 jewels
2609A, 2609A.1, 2609B: 21 jewels
lever bridge:
2609.1: 17 jewels

Example, year: signature; shock device
ca. 1960: 33905, Raketa, Cyrillic: 2609B, 21 Kamnei (21 jewels); Incabloc

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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