Pink Pages
for Timepieces
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 826

manual wind
sweep second

10.5''', Dm= 23.35mm
H= 4.7mm
15 jewels
f = 18000 A/h

Balance staff U2086 / U2211
spring collet: 0.4 / 0.55mm

Stem W2221 / W2354 / W2355
0.9 / 1.0 / 1.1mm

1.30 x 0.88 x 0.18mm

Comments about the data

1922- (Aegler)
Alpina Gruen Gilde 1929-1937
bimetallic screw balance, Breguet hairspring
manufacturer: Aegler (Rolex)
Rolex 700 (sub second) and 710 (sweep second) are hunter versions of this open-face calibre

826: sweep second, open-face layout
827: sub second
827SS: sweep second, hunter layout

Swiss Patent 97101:
design of the stem mechanism
filed 08-02-1921, Aegler S.A. Rolex Watch Co., Bienne (CH)

Example, year: signature; shock device
ca. 1925: 1465755, 826 Swiss, Gruen Guild, 4 Adjts, Switzerland, 15 Jewels - 5755, Patent+97101
(Gruen 826, sweep second friction spring missing in picture)

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

bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Erkelenzer Str. 98
41844 Wegberg
phone +49 (0)2434 6034670

email: info@ranfft.de