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Fig. 1

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Fig. 2

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Fig. 3

Calma 508 (=HPP 461)

Features
automatic
sweep second
date: set by changing 20-24h

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 6.35mm
F= 1.75mm
T= 2.45mm
17/25 jewels
f = 18000 A/h
f = 21600 A/h
power-reserve 30h

Balance staff U3191

Stem W3112

Hands
1.30 x 0.85 x 0.21mm

Comments about the data

Remarks
detached manual wind
The remark about the equivalent calibres Calma 508 und HPP 461 was taken from the catalog Flume K3. The relation between both brands is unknown, and the Calma 508 is the only calibre of this brand.

Example, year: signature; shock device
ca. 1970: HJP, Automatic; HPP-Super-Shockproof
(HPP 558)

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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