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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

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Fig. 6

Excelsior 1

Features
timer, 60s (0.2s), 30min, pillar wheel
option: 30s (0.1s), 15min
option: addition timer, slide
stem wind
sweep second

Data
18''', Dm= 40.0mm, Do= 42.2mm
H= 6.8mm
F= 0.95mm
T= 3.2mm
7 jewels
f = 18000 A/h:
power-reserve 8h
f = 36000 A/h:
power-reserve 4h

Balance staff U272

Stem W1748, W1800, W1801
(short, medium, long)

Hands
1.20 / 1.20mm

Comments about the data

Remarks
open face calibre
occasionally listed as Excelsior 18'''/B
stop function with pillar wheel pillar wheel
patented spare-part compartment (likely original contents Fig.3)
For the option addition timer (Fig.4-6) the pillar wheel is left out, and the balance stop A is operated separately by the slide B. The crown serves only for reset (and flyback).

Swiss Patent 3364:
filed 03-21-1891, Alb. Jeanneret & FrŔres, St. Imier (CH)
details of the chronograph design
Swiss Patent 100230:
filed 05-24-1922, Les Fils de Jeanneret-Brehm, St. Imier (CH)
integrated spare-part compartment
German Patent 388992:
filed 12-21-1922, Les Fils de Jeanneret-Brehm, St. Imier (CH)
integrated spare-part compartment

family:
1: -
11: split second

Example, year: signature; shock device
ca. 1925: 616589, No.3364, U.S. Patent, D.R.P. 388992, Hier unten ErsatzstŘcke (=here beneath spare parts) - 616589, Excelsior Park
(18000 A/h)
4-6) ca. 1925: No.3364, D.R.P. 388992, +No.100230, PodtÝmto m˙stkemjsou nßhradnÝ soucÚsti - Excelsior Park
(18000 A/h, made for L. Hainz, Prague (CZ))

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 ę 02-08-15, mtr-Ranfft


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