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The Encyclopedia of Horology

Wristwatch · Marine chronometer wristwatch

Ulysse Nardin Le Locle Marine Chronometer Wristwatch

Partially verified

This Ulysse Nardin Marine Chronometer wristwatch, cataloged under reference 1183-126, features a stainless steel case measuring 43 mm across and 13.85 mm in thickness. The watch is powered by the automatic Ulysse Nardin Calibre UN-118 movement with a reported 60-hour power reserve. Its blue dial displays bold Roman numeral hour indices, a power reserve indicator located beneath 12 o'clock, and a running seconds register enclosing a round date window at 6 o'clock. The watch is mounted on a blue rubber and titanium strap.

Front view of Ulysse Nardin Marine Chronometer wristwatch reference 1183-126
Front view of Ulysse Nardin Marine Chronometer wristwatch reference 1183-126 — SebastianCharles Auctions. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.bidsquare.com
Category
Wristwatch · Marine chronometer wristwatch
Maker / attribution
Ulysse Nardin
Reference
1183-126
Catalogue / lot identifier
133
Source-reported date
Not established
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

Case and Bracelet Construction

Identified under reference 1183-126 and cataloged with the series label Marine Chronometer, the wristwatch features a stainless steel case reported at 43 mm in diameter and 13.85 mm in thickness. Direct inspection shows a fluted bezel and a fluted winding crown fitted with a dark rubber guard.

The case is paired with a dark blue rubber strap incorporating titanium case links. The catalog notes that the band is rubber and titanium, and reports that the titanium on the band has some scratches.

Evidence for this section
  • “CASE SIZE 43 mm”
  • “CASE THICKNESS 13.85 mm”
  • “CASE MATERIAL Stainless Steel”
  • “Fluted bezel with fluted crown featuring dark rubber guard”
  • “Band is rubber and titanium.”
  • “Titanium on band has some scratches.”
  • “Fitted on a dark blue rubber strap attached to titanium case links”

Dial Architecture and Display

Visual observation indicates a dark blue sunburst dial bordered by a white minute track and accented with white Roman numeral hour markers.

A power reserve indicator is situated at 12 o'clock, complemented by a subsidiary running seconds register at 6 o'clock that encloses an integrated circular date aperture.

Evidence for this section
  • “Dark blue sunburst dial with white Roman numeral hour markers and minute track”
  • “Power reserve subdial at 12 o'clock and subsidiary seconds register with integrated circular date aperture at 6 o'clock”

Reported Movement and Operating Condition

The catalog lists an automatic movement identified as Ulysse Nardin Calibre UN-118, noting an operating power reserve of 60 hours. Neither the case back nor the internal caliber is displayed in the source photography.

Condition reporting from the auction house states that the watch runs but was not tested for accuracy. No timing machine measurements or service history are recorded in this source.

Evidence for this section
  • “ENGINE Ulysse Nardin Calibre UN-118”
  • “POWER RESERVE 60 hours”
  • “Watch runs not tested for accuracy.”

Open research questions

  • What markings, references, or serial numbers appear on the reverse of the case back?
  • What are the measured amplitude, beat error, and rate deviation of the movement across standard positions?
  • What is the condition and stamping of the clasp hardware attached to the rubber and titanium strap?

Source evidence

Recorded claims and source quotations for Ulysse Nardin Le Locle Marine Chronometer Wristwatch
FieldSource-reported valueSource quotation
Reference1183-126“1183-126”
Lot Number133“Lot 133”
Movement CalibreUlysse Nardin Calibre UN-118“Ulysse Nardin Calibre UN-118”
Power Reserve60 hours“POWER RESERVE 60 hours”
Case Size43 mm“CASE SIZE 43 mm”
Case Thickness13.85 mm“CASE THICKNESS 13.85 mm”
Case MaterialStainless Steel“CASE MATERIAL Stainless Steel”
Band MaterialRubber and titanium“Band is rubber and titanium.”
Series LabelMarine Chronometer“SERIES LABEL - Marine Chronometer”
Movement OperationAutomatic“MOVEMENT Automatic”

Visible details

  • Dark blue sunburst dial with white Roman numeral hour markers and minute track
  • Power reserve subdial at 12 o'clock and subsidiary seconds register with integrated circular date aperture at 6 o'clock
  • Fluted bezel with fluted crown featuring dark rubber guard
  • Fitted on a dark blue rubber strap attached to titanium case links

Research qualifications

  • The auction house reports the watch runs but was not tested for timekeeping accuracy
  • The auction description notes scratches on the titanium strap elements
  • Case back and internal movement are not shown

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

Consulted source

Ulysse Nardin Le Locle Watch 1183-126 sold at auction on 4th April | Bidsquare

Reviewed 2026-10-21 · Record 505ae630fb

Terms in this record

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