Longines - calibre 18,79 - 1900-1949





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Longines pocket watch with Calibre 18.79, mechanical hand-wound movement, solid silver case (0.800 fineness), 50 mm case diameter and 53 mm lug width, manufactured in 1906, in very good condition with minimal wear and currently in working order.
Description from the seller
Watch from a private collection; I have no records of the last service, but it is currently working.
Exceptional vintage pocket watch from the prestigious Swiss manufacture Longines, made in 1906. This is a highly collectible historic piece, presenting a beautiful combination of noble metal casework and mechanical engineering from the golden era of Saint-Imier watchmaking.
The standout feature of this lot is that the watch is in operation, keeping the mainspring under good tension and the balance wheel oscillating smoothly and continuously.
Historic Calibre 18.79: Engineering and Tradition
The heart of this watch is the renowned in-house Mechanical Calibre by Longines (family 18.79 / 19.74). This movement marked a turning point from the 19th to the 20th century, at a time when Longines was revolutionizing industrial precision while maintaining artisanal standards.
The Brisebard Regulator: the mechanism features the classic tuning system with the French engraving "AVANCE / RETARD" (Advance / Delay) for micrometric adjustment of the balance.
Premium Construction: features separate bridges with a matte gilt finish of an excellent state of conservation, plus a compensated bimetallic balance with screws and ruby jewels mounted in chatons to mitigate friction wear.
Historical Significance: developed under the aegis of Ernest Francillon, this calibre helped cement the brand’s reputation at the prestigious International Grand Prix for chronometric precision.
Technical Specifications and Details
Brand: Longines (Switzerland)
Year of Manufacture: 1906 (Confirmed via the movement/case serial number: 1895329)
Movement: Manual-wind mechanical by crown (Calibre 18.79)
Movement Condition: In perfect working order
Case Material: Solid silver with 0.800 fineness (visible continental contrast)
Dial: White porcelain/enamel with wear, featuring classic Arabic numerals and pear-style hands
Sub-dial: Seconds subdial embedded at 6 o’clock
Internal Hallmarks: Circular historic logo engraved EFCo LONGINES (with the famous winged hourglass and stars)
Please study the photos carefully before bidding and bid only if you agree with the auction terms and are aware that this is a used watch over 120 years old.
Watch from a private collection; I have no records of the last service, but it is currently working.
Exceptional vintage pocket watch from the prestigious Swiss manufacture Longines, made in 1906. This is a highly collectible historic piece, presenting a beautiful combination of noble metal casework and mechanical engineering from the golden era of Saint-Imier watchmaking.
The standout feature of this lot is that the watch is in operation, keeping the mainspring under good tension and the balance wheel oscillating smoothly and continuously.
Historic Calibre 18.79: Engineering and Tradition
The heart of this watch is the renowned in-house Mechanical Calibre by Longines (family 18.79 / 19.74). This movement marked a turning point from the 19th to the 20th century, at a time when Longines was revolutionizing industrial precision while maintaining artisanal standards.
The Brisebard Regulator: the mechanism features the classic tuning system with the French engraving "AVANCE / RETARD" (Advance / Delay) for micrometric adjustment of the balance.
Premium Construction: features separate bridges with a matte gilt finish of an excellent state of conservation, plus a compensated bimetallic balance with screws and ruby jewels mounted in chatons to mitigate friction wear.
Historical Significance: developed under the aegis of Ernest Francillon, this calibre helped cement the brand’s reputation at the prestigious International Grand Prix for chronometric precision.
Technical Specifications and Details
Brand: Longines (Switzerland)
Year of Manufacture: 1906 (Confirmed via the movement/case serial number: 1895329)
Movement: Manual-wind mechanical by crown (Calibre 18.79)
Movement Condition: In perfect working order
Case Material: Solid silver with 0.800 fineness (visible continental contrast)
Dial: White porcelain/enamel with wear, featuring classic Arabic numerals and pear-style hands
Sub-dial: Seconds subdial embedded at 6 o’clock
Internal Hallmarks: Circular historic logo engraved EFCo LONGINES (with the famous winged hourglass and stars)
Please study the photos carefully before bidding and bid only if you agree with the auction terms and are aware that this is a used watch over 120 years old.

