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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

View picture in original size
Fig. 4

Slava 2428

Features
manual wind
sweep second
day: set by +/-24h
date: set by pusher at 2h

Data
13''', Dm= 29.0mm, Do= 32.2mm
H= 4.85mm
F= 4.1mm
T= 2.85mm
17/21/26 jewels
f = 18000 A/h
power reserve 47h

Hands
1.58 x 1.03 x 0.13mm

Comments about the data

Remarks
The mounting frame with parts of the date assembly is part of the calibre, and simultaneously the highest part.
indirectly driven minute allows a very big balance
two barrels coupled in parallel use the remaining space most efficiently
if 26 jewels: 5 hole jewels for horizontal guide of the date disc (Fig.3, A in fig.4) and 4 cap jewels for vertical guide (Fig.3, B in Fig.4)
Fig.3 shows likely the most complicated assembly ever to advance the date with a pusher.

Attention! Never, never ever unlock the stem unless you have pulled the crown to setting position. And never insert the stem without pushing the release button, even not if the collar towards the square is conical to lift the set lever. Else you have a high chance to mix up the parts of the setting works, and rearranging them is much more troublesome than in most other movements. However, if you're done you can make a photo like Fig.3 before assembling the calendar assembly.

family:
2414: manual wind, date
2416: automatic, date
2427: automatic, day, date
2428: manual wind, day, date
2429: manual wind, no second, day, date

Example, year: signature; shock device
ca 1975: 70786, Slava, 26 Kamnei (Cyrillic: 26 jewels); Aera-Slava

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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