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Zenith Automatic Bumper Wristwatch

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

c. 1953

Maker / issuer

Zenith

This vintage mid-size Zenith dress wristwatch dates to circa 1953 and features a stainless steel case measuring 35 mm across without the crown. The patinated yellow tropical dial displays applied gilt even Arabic numerals, alternate arrowhead hour markers with luminous inserts, luminous Dauphine hands, and a red needle central seconds hand beneath a Plexiglas crystal.

The seller states that the watch is powered by a 20-jewel bumper automatic calibre 133.8 mechanical movement bearing serial number 4189017.

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

Type
Automatic wristwatch
Width
35mm
Jewels
20
Calibre
133.8
Lug Height
43mm
Case Material
Stainless Steel
Place recorded
Switzerland
Maker / attribution
Zenith
Movement Serial Number
4189017

Design

Dial and Hands
The dial exhibits a yellow patina. It is furnished with applied gilt Arabic numerals and alternate arrowhead hour markers featuring luminous inserts. The Dauphine hands include luminous inserts, accompanied by a central seconds needle hand in red.
Visible features
• Patinated yellow dial featuring applied gilt even Arabic numerals and alternate arrowhead hour markers. • Luminous-infilled Dauphine hour and minute hands accompanied by a bright red central seconds hand. • Stainless steel case with smooth round bezel and downturned lugs fitted to a dark leather strap.
Case and External Construction
This mid-size Zenith wristwatch features a stainless steel case measuring 35 mm in diameter, excluding the crown, with a lug height of 43 mm and a lug width of 18 mm. The case includes a smooth bezel and downturned lugs. The timepiece is fitted with a Plexiglas crystal and is currently paired with a leather strap.
Movement and Mechanical Status
The watch is powered by a mechanical 20-jewel bumper automatic movement, identified by the seller as Calibre 133.8. This mechanism utilizes a rotor that swings within a limited arc. The seller documentation provides the movement serial number as 4189017. This serial number and the movement are not visible in the provided photographic evidence.

Identification

Serial number
4189017
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: The bumper movement and internal serial number are not visible in the supplied photograph and rely entirely on the seller's documentation.
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