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The Encyclopedia of Horology

Wristwatch · Dress wristwatch

Longines 14K Gold Manual Wind Wristwatch, Retailed by Enrique Masini

Partially verified

According to the auction catalogue, this wristwatch by Longines dates to circa 1938 and features a 38 mm polished round 14-karat yellow gold case with a hinged back. The watch is powered by a manual-wind Calibre 15.26 movement. Its white dial is double-signed for the retailer Enrique Masini at San Martin in Mendoza, displaying Roman numeral hour markers, an outer five-minute scale, and a subsidiary seconds dial at the 6 o'clock position. The source notes an overall weight of 50.42 grams and states that the watch is fitted with an unworn brown leather strap and an associated gold-plated buckle.

Front three-quarter view of the Longines 14K gold wristwatch showing the white retailer-signed dial and leather strap
Front three-quarter view of the Longines 14K gold wristwatch showing the white retailer-signed dial and leather strap — Bonhams. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.liveauctioneers.com
Category
Wristwatch · Dress wristwatch
Maker / attribution
Longines
Reference
Not recorded
Catalogue / lot identifier
0009
Source-reported date
Circa 1938
Country
Switzerland
Source-reported serial
5770207

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

Case Construction and Exterior Form

The watch features a 38 mm round case described in the auction catalogue as polished 14-karat yellow gold (585 fineness) with case number 5770207 and a hinged back. Direct visual observation reveals slender wire-style lugs, an onion-style winding crown at 3 o'clock, and side hinge protrusions near 9 o'clock. Bonhams catalogued an overall weight of 50.42 grams.

The cataloguer documented surface scratches throughout the case, noting them as more prominent on the bezel and back. The watch is mounted on a brown leather strap described in the condition report as brand new and unworn, secured by an associated gold-plated buckle bearing light surface scratches.

Evidence for this section
  • “Montre bracelet en or jaune 14K (585)”
  • “Polished round, hinged back, No.5770207”
  • “Round yellow gold case with slender wire-style lugs and an onion-style crown at 3 o'clock.”
  • “Hinged case back structure indicated by side hinge protrusions near 9 o'clock.”
  • “Buckle/Clasp: Light surface scratches, associated”

Dial and Retailer Inscription

The white dial displays black Roman numeral hour markers bordered by an outer track with Arabic numerals at five-minute intervals, with a subsidiary seconds dial located above 6 o'clock. Auction condition notes cite tarnished hands, light surface scratches on the glass, and light dust across the dial in places, though otherwise described as in good condition overall.

The dial is double-signed, bearing the retailer designation for Enrique Masini at San Martin in Mendoza along with 'No.1366'. Visual examination shows the printed brand and retailer signatures centered on the upper dial area.

Evidence for this section
  • “White dial with black Roman numerals and an outer minute track featuring Arabic numerals at five-minute intervals.”
  • “Subsidiary seconds dial positioned above 6 o'clock.”
  • “Dial: White, double signed Enrique Masini at San Martin in Mendoza, No.1366”
  • “Hands: Tarnished”
  • “Glass: Light surface scratches in places”

Movement and Cataloguing Documentation

Internal components are not visible in the sales imagery, and technical movement details rely on the auction house report. The movement is described as a jewelled, manual-wind Calibre 15.26, dated circa 1938. The listing documents the piece as signed on the case, dial, and movement.

Bonhams noted that the movement ran when powered at the time of cataloguing, but stated that timekeeping accuracy is not tested or guaranteed. The auction record does not list an internal movement serial number.

Evidence for this section
  • “Movement: Jewelled manaul wind Cal.15.26 manual wind”
  • “Date: Circa 1938”
  • “Signed: Case, dial & movement”
  • “Movement: Runs when powered at time of cataloguing”
  • “We do not test any watches for their accuracy and as such timekeeping cannot be guaranteed.”

Open research questions

  • Does the Longines archive confirm delivery of Calibre 15.26 movement under case serial number 5770207 to retailer Enrique Masini in Mendoza in 1938?
  • What specific individual serial number is stamped on the movement plates inside the case?
  • Does 'No.1366' on the dial correspond to a Longines dial pattern reference or to a retailer inventory registry number?

Source evidence

Recorded claims and source quotations for Longines 14K Gold Manual Wind Wristwatch, Retailed by Enrique Masini
FieldSource-reported valueSource quotation
RetailerEnrique Masini“retailed by Enrique Masini in Mendoza”
Movement CalibreCal. 15.26 manual wind“Jewelled manaul wind Cal.15.26 manual wind”
Case Number5770207“Polished round, hinged back, No.5770207”
Case Material14K yellow gold“Montre bracelet en or jaune 14K (585)”
Diameter38mm“Size: 38mm”
Total Weight50,42g“Weight: 50,42g”
Dial NumberNo.1366“Dial: White, double signed Enrique Masini at San Martin in Mendoza, No.1366”
Movement Working Condition at CataloguingRuns when powered at time of cataloguing“Movement: Runs when powered at time of cataloguing”
Glass ConditionLight surface scratches in places“Glass: Light surface scratches in places”
Case Surface ConditionSurface scratches throughout, more prominent to bezel and back“Case: Surface scratches throughout, more prominent to bezel and back”

Visible details

  • White dial with black Roman numerals and an outer minute track featuring Arabic numerals at five-minute intervals.
  • Subsidiary seconds dial positioned above 6 o'clock.
  • Round yellow gold case with slender wire-style lugs and an onion-style crown at 3 o'clock.
  • Hinged case back structure indicated by side hinge protrusions near 9 o'clock.
  • Mounted on a textured brown leather strap with contrast stitching.

Research qualifications

  • Movement and interior case back markings are not visible in the photograph; descriptions rely on the auction cataloguer.
  • The auction house notes the gold-plated buckle is associated.

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

Consulted source

Longines. A 14k Gold Manual Wind Wristwatch With Hinged Back, Retailed By Enrique Masini In Mend... - Aug 28, 2026 | Bonhams In Europe

Reviewed 2026-10-21 · Record f5073c43fb

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

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