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Excelsior Park Chronograph Pocket Watch, c.1950

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

c. 1950

Maker / issuer

Excelsior Park

This is an open-face chronograph pocket watch produced in Switzerland by Excelsior Park around 1950. The seller states that the watch measures 51 mm in diameter excluding the stem and loop, encased in chromium-plated metal with an acrylic crystal.

According to the seller, it is powered by a stem-winding Excelsior Park calibre JB CH500 movement featuring a spare parts compartment enclosed by an inner cuvette. The white dial is signed 'EXCELSIOR PARK' and 'SWISS MADE', displaying stylized black Arabic numerals, an outer seconds track with red five-minute markers, a 30-minute register below 12 o'clock, and a constant seconds register above 6 o'clock.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Lens
Acrylic
Type
Chronograph pocket watch
Origin
Swiss
Case Diameter
51mm
Case Material
Chromium plated
Place recorded
Switzerland
Movement Calibre
calibre JB CH500
Maker / attribution
Excelsior Park

Design

Visible features
• White dial signed 'EXCELSIOR PARK' and 'SWISS MADE'. • Italicized black Arabic numerals with an outer track demarcated with red Arabic numbers at five-unit intervals. • Dual subsidiary dials configured vertically at 12 o'clock (30-minute recorder) and 6 o'clock (constant seconds). • Polished chromium-plated metal case with winding crown at 12 o'clock containing a coaxial chronograph pusher and attached suspension bow.
Attribution and Source Context
The watch is attributed to circa 1950 by the seller, and origin is recorded as Swiss. The listing also mentions that this model was utilized by the Swedish military; however, no military issue marks or provenance documentation are detailed for this specific individual piece. The seller describes the dial as having its original finish and notes general workshop assessment parameters, though technical timing-machine results are not recorded in the listing.
Dial and Display Configuration
The open-face pocket watch features a white dial signed 'EXCELSIOR PARK' and 'SWISS MADE'. The display uses stylized, italicized black Arabic hour numerals bordered by an outer perimeter track with red Arabic numerals marking five-minute intervals. The chronograph layout incorporates two vertically aligned subsidiary dials: a 30-minute elapsed time counter at 12 o'clock and a running constant seconds subdial at 6 o'clock. The dial is protected by an acrylic lens.
Case Construction and Exterior Details
The watch is cased in polished chromium-plated metal measuring 51 mm in diameter, excluding the winding stem and loop. The winding crown is positioned at 12 o'clock and houses an integrated coaxial chronograph pusher, flanked by an attached suspension bow. The seller reports surface marking to the case back. Additionally, the listing notes that the inside of the case back displays watchmaker service references, though internal surfaces are not shown in the available photographs.
Reported Movement and Internal Features
The listing states that the pocket watch is powered by a stem-winding Excelsior Park calibre JB CH500 movement, where 'JB' denotes company founder Jeanneret-Brehm. According to the seller description, the movement incorporates an internal spare parts compartment and is shielded by an inner cuvette cover. Because no internal images of the movement or cuvette are provided, these reported features cannot be independently verified from the visual record.

Identification

Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: Movement calibre JB CH500 and internal spare parts compartment cannot be directly verified as the case back and movement are not shown in the image.
  • Research required: Claimed original dial finish and case back service markings rely entirely on seller documentation.
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