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C. 1910 Longines Swiss Pocket Watch .800 Silver 6 Grands Prix Case Enamel Dial — view 1 of 4
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Pocket Watches · Pocket watch

C. 1910 Longines Swiss Pocket Watch .800 Silver 6 Grands Prix Case Enamel Dial

DocumentedDocumented from an auction catalogue; attribution as stated by the auction house.
Maker / attribution
Longines (maker)
Date
c. 1910
Country of origin
Switzerland
Object type
Pocket watch
Lot
Item 215924895
Credit line
Auction lot record: lot 141, Exclusive Watches and Pocket watches 2, Sphere Auctions LLC (2025), via LiveAuctioneers
Catalogue title (original)
c.1910 Longines Swiss Pocket Watch .800 Silver 6 Grands Prix Case Enamel Dial (English)

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Record summary

Catalogued by LiveAuctioneers auction archive (lot Item 215924895), this is a pocket watch by Longines, made in Switzerland, dated c. 1910. The Atlas places it in the Golden Age of Mechanical Watchmaking period (1900 – 1945) of its Pocket Watches collection. The record is illustrated with 4 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Lot description — Sphere Auctions LLC

An antique Longines Swiss pocket watch, likely produced circa 1905–1915, housed in its original .800 silver case (hallmarked and stamped “EFCo Longines” with winged hourglass logo, serial 3392947). The back cover is ornately engraved with Longines’ “6 Grands Prix” award medallions for Paris, Anvers, Brussels, Milan, and Berne — a prestigious marking showcasing Longines’ international exhibition victories of the late 19th century.The movement is gilt-finished and signed Longines, jeweled with a bimetallic balance and Swiss lever escapement. The enamel dial displays Arabic numerals, subsidiary seconds at six o’clock, and blued spade hands. The dial shows visible cracks but remains original.The watch is untested and offered as-is for collectors or restoration. A fine early Longines in a decorated silver exhibition case.---Details:Maker: Longines, SwitzerlandEra: c.1910 (early 20th century)Serial Number: 3392947 (movement & case)Case Material: .800 silver, EFCo Longines, engraved “6 Grands Prix” award medallionsDial: White enamel with black Arabic numerals, sunk seconds, blued spade hands (hairlines/cracks present)Movement: Gilt Swiss lever movement, signed Longines, jeweled, unadjustedSize: ~50mm (approx.)Condition: Untested, sold as-is; case with light wear; dial with cracksSpecial Feature: Longines “6 Grands Prix” silver case engraving

Historical context

Golden Age of Mechanical Watchmaking (1900 – 1945)

The wristwatch displaces the pocket watch; waterproof cases, self-winding and grand complications.

The pocket watch reached technical maturity and then began to give way to the wristwatch after the First World War. Complicated watches for collectors such as Henry Graves Jr. and James Ward Packard, railroad watches, and slim Art Deco dress watches are characteristic.

Read the period in the timelineMore pocket watches from this periodEarlier: Industrial Revolution

Atlas type guide

Pocket watches

The pocket watch was the dominant personal timekeeper from the late seventeenth century until the First World War. Its development tracks the history of the escapement: verge watches with fusees until the late eighteenth century; Thomas Mudge's lever escapement (c. 1755) and the cylinder escapement popularised by George Graham and later by Swiss makers; and the Swiss and English lever watches of the nineteenth century. Lépine's bar-bridge calibre and keyless winding made watches thinner and easier to use.

Industrialisation transformed the trade: American factories such as Waltham (from 1850) and Elgin produced interchangeable parts by machine, and Swiss makers responded with their own mechanisation after the 1876 Philadelphia Exhibition. By 1900 a reliable watch was affordable to millions; the finest makers continued to produce complications and precision watches.

What to look for

  • The escapement: verge (crown wheel), cylinder, duplex, English or Swiss lever.
  • Key winding (a square arbor in dial or back) or keyless crown winding.
  • Signatures and serial numbers on the movement, dial and inside case back.
  • Hallmarks, case maker's marks and gold or silver standards stamped in the case.
  • Dial material: enamel, silver, gold, later printed metal.

Dating clues

  • Verge watches dominate before c. 1800; cylinder watches c. 1770–1900; lever watches after c. 1820.
  • Keyless winding: increasingly common after c. 1860.
  • Manufacturer serial number lists exist for Waltham, Elgin, Longines, Omega, Patek Philippe and others.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

Read next:Verge escapementFuseeIdentification Centre

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