Zenith - 3307406 / 5786 - 1900-1949

Overview

This is an impressive large-size Zenith mechanical pocket watch, measuring approximately 54.38 mm in diameter. It presents the classic character of an early Swiss pocket watch, with a white enamel dial, elegant black Arabic numerals, a subsidiary seconds dial at 6 o’clock and ornate gold-tone hands.

The movement is one of the strongest features of the watch. The gilt movement is clearly marked ZENITH, 17 JEWELS and PRIMA, while the separate inner dust cover is decorated with multiple medal motifs and the inscription GRAND PRIX PARIS 1900 together with the Zenith name.

The most notable highlights are its large 54.38 mm case, Zenith 17-jewel PRIMA movement and the historically styled Grand Prix Paris 1900 dust cover.

Technical and condition details

Brand: Zenith

Type: Large mechanical pocket watch

Winding: Manual

Function: Running when tested. No long-term accuracy test has been performed.

Dial layout: Central hours and minutes with subsidiary seconds at 6 o’clock

Dial: White enamel dial with black Arabic numerals, outer minute track, ornate gold-tone hands and Zenith signature

Case: Open-face silver-tone case with visible 0.800 silver hallmark and Zenith marking inside

Movement: Gilt mechanical movement clearly marked ZENITH, 17 JEWELS and PRIMA. The movement has a broad traditional bridge layout with visible barrel, gear train, jewel bearings and balance assembly. The 17-jewel configuration and PRIMA designation are among the most important technical features of the watch.

Dust cover: Separate metal inner dust cover decorated with multiple gold-tone medal motifs and inscribed GRAND PRIX PARIS 1900 together with Zenith branding. This inscription relates to Zenith’s historical award heritage and should not be interpreted as the production date of the watch.

Diameter: Approx. 54.38 mm

Weight: Approx. 106.41 g

Accessories: Pocket watch chain shown in the photos

Condition:

Overall in honest antique condition with age-related wear. The case shows surface scratches, edge wear and light oxidation consistent with age, with a naturally aged silver appearance. The white enamel dial remains visually attractive with minor aging and light traces of use. The movement appears complete and retains natural signs of age. The inscriptions and medal decoration on the dust cover remain clearly visible. The watch is currently running, but no long-term accuracy test has been performed.

Collector’s highlights

Zenith, a historically important Swiss watchmaker with strong collector recognition.
17-jewel PRIMA movement, with clear Zenith signature and attractive traditional construction.
Separate dust cover with Grand Prix Paris 1900 medal decoration, adding strong historical and display appeal.
Large 54.38 mm case and 106.41 g weight, giving the watch substantial physical presence.
Classic white enamel dial, ornate gold-tone hands and subsidiary seconds create a highly attractive period appearance.

Final note

Photos form an important part of the description and may show details more clearly than text. Please review all images carefully and assess the item accordingly.