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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 826

Features
manual wind
sweep second

Data
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

Hands
1.30 x 0.88 x 0.18mm

Comments about the data

Remarks
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

family:
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


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