Skip to content
The Encyclopedia of Horology

Wristwatch · Automatic day-date wristwatch

Eterna-Matic Calibre 1543K Sevenday Wristwatch

Partially verified

This men's wristwatch by Eterna is documented under Catawiki auction lot number 64156315, where the source dates the piece to 1960–1969 and identifies the movement as calibre 1543K. The dial is marked with the brand's five-dot emblem, 'ETERNA-MATIC', and 'SEVENDAY', complemented by '- SWISS -' at the lower edge. A framed dual aperture at 3 o'clock indicates the day and date, showing 'SAM' alongside '8'. The cushion-shaped case features a yellow-gold-toned exterior and is shown mounted on a black textured strap.

Front view of the cushion-shaped gold-tone Eterna-Matic Sevenday wristwatch on a dark textured strap
Front view of the cushion-shaped gold-tone Eterna-Matic Sevenday wristwatch on a dark textured strap — Catawiki. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.catawiki.com
Category
Wristwatch · Automatic day-date wristwatch
Maker / attribution
Eterna
Reference
Not recorded
Catalogue / lot identifier
64156315
Source-reported date
1960-1969
Country
Switzerland

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Identity and Source Designation

Documented under Catawiki auction lot number 64156315, this wristwatch is catalogued under the heading 'Eterna-Matic - Calibre 1543K - Homme - 1960-1969'. The listing source reports a men's categorization ('Homme') and dates the piece to 1960–1969.

The auction title designates the movement as 'Calibre 1543K', though this attribution is reported strictly by the listing title rather than direct visible movement examination.

Evidence for this section
  • “Nº 64156315”
  • “Eterna-Matic - Calibre 1543K - Homme - 1960-1969”

Dial Configuration and Indications

The light-colored dial features applied Roman numerals at XII, VI, and IX, complemented by baton hour markers and a segmented white outer chapter ring. Above the center pinion, inscriptions include the brand's five-dot emblem and 'ETERNA-MATIC', while 'SEVENDAY' appears below center and '- SWISS -' sits at 6 o'clock.

A framed double window at 3 o'clock provides day and date indications, displaying a French day abbreviation ('SAM') alongside the date numeral '8'.

Evidence for this section
  • “Light-colored dial with applied Roman numerals at XII, VI, and IX, complemented by baton hour markers and a segmented white outer chapter ring.”
  • “Inscriptions on the dial include the five-dot emblem with 'ETERNA-MATIC' above center, 'SEVENDAY' below center, and '- SWISS -' at 6 o'clock.”
  • “Framed double window at 3 o'clock displaying a French day abbreviation ('SAM') and date numeral ('8').”

Case Form and Observed Mounting

The watch is housed in a cushion-shaped yellow-gold-toned case showing noticeable surface scratching and wear. It is mounted on a black textured leather strap.

Case material stamps, internal hallmarks, and case back engravings are not recorded in this source or visible in the documented front view.

Evidence for this section
  • “Cushion-shaped yellow-gold-toned case showing noticeable surface scratching and wear.”
  • “Black textured leather strap fitted to the watch.”

Cataloguing and Technical Limitations

The movement calibre 1543K attribution relies on the seller's lot title, as the internal movement is not depicted. Its mechanical specification and state cannot be verified from the visual record.

Case dimensions and formal reference or serial numbers are not recorded in the listing, leaving the 1960–1969 date range as an unverified listing attribution.

Evidence for this section
  • “Eterna-Matic - Calibre 1543K - Homme - 1960-1969”

Open research questions

  • Does inspection of the internal movement confirm an authentic Eterna calibre 1543K?
  • What specific reference and serial numbers are stamped inside or outside the case back?
  • What is the metal composition and plating thickness of the cushion-shaped case?

Source evidence

Recorded claims and source quotations for Eterna-Matic Calibre 1543K Sevenday Wristwatch
FieldSource-reported valueSource quotation
Lot Number64156315“Nº 64156315”
Model / Movement ReferenceCalibre 1543K“Eterna-Matic - Calibre 1543K”
Dating1960-1969“1960-1969”
Hammer / Sale Price200 €“Vendu à 200 €”
Auction ExpertErwin Dekker“Sélectionné par Erwin Dekker Expert en Montres”

Visible details

  • Cushion-shaped yellow-gold-toned case showing noticeable surface scratching and wear.
  • Light-colored dial with applied Roman numerals at XII, VI, and IX, complemented by baton hour markers and a segmented white outer chapter ring.
  • Framed double window at 3 o'clock displaying a French day abbreviation ('SAM') and date numeral ('8').
  • Inscriptions on the dial include the five-dot emblem with 'ETERNA-MATIC' above center, 'SEVENDAY' below center, and '- SWISS -' at 6 o'clock.
  • Black textured leather strap fitted to the watch.

Research qualifications

  • The internal movement (calibre 1543K) is not visible in the photograph; its identification relies entirely on the auction listing title.
  • The case back, case material stamps, and internal reference numbers are not shown.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Montres en Vente aux Enchères en Ligne - Catawiki

Reviewed 2026-10-21 · Record aa2290241a

Terms in this record

Glossary explanations for terms named in this object’s record.

Other automatic day-date wristwatch records