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The Encyclopedia of Horology

Wristwatch · Manual-wind wristwatch with spherical moon phase

De Bethune DB25 Moon Phase Starry Sky Reference DB25LWS3V2

Partially verified

This De Bethune DB25 Moon Phase Starry Sky wristwatch, reference DB25LWS3V2, is cased in white gold measuring 44.6 mm in diameter. It is equipped with a manual-wind movement featuring a moon phase complication and a screw-secured sapphire display case back. The blue dial presents a constellation starry sky motif with a spherical moon phase indicator positioned at 12 o'clock. The watch is worn on a black crocodile skin strap secured by a white gold buckle. Sotheby's reports the watch is in very good condition with minor wear commensurate with age, accompanied by its De Bethune box and papers.

Front view of the De Bethune DB25 Moon Phase Starry Sky reference DB25LWS3V2
Front view of the De Bethune DB25 Moon Phase Starry Sky reference DB25LWS3V2 — Sotheby's. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.sothebys.com
Category
Wristwatch · Manual-wind wristwatch with spherical moon phase
Maker / attribution
De Bethune
Reference
DB25LWS3V2
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
Not established
Country
Not established

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 Exterior Construction

The timepiece is housed in a 44.6 mm diameter case constructed from white gold, which features openworked skeletonized lugs. The aesthetic is defined by a sapphire display-back secured with screws.

The watch is fitted with a crocodile skin strap and a white gold buckle.

Evidence for this section
  • “Case Size (mm) 44.6”
  • “Case Material(s) White Gold”
  • “Polished white gold case featuring openworked skeletonized lugs.”
  • “Case Back Sapphire display-back, Secured by screws”
  • “Band Material Crocodile Skin”
  • “Clasp Material(s) White Gold”

Dial and Complication Configuration

The dial is blue and features applied metallic star constellations accompanied by an outer hour track defined by spherical cabochon markers. Time is indicated by openworked, curved central hands that terminate in arrow and spade-style tips.

A three-dimensional, spherical moon phase display is positioned below the 12 o'clock marker.

Evidence for this section
  • “Dial Color(s) Blue”
  • “Vibrant blue dial with applied metallic star constellations and an outer hour track with spherical cabochon markers.”
  • “Three-dimensional spherical moon phase display located below 12 o'clock.”
  • “Openworked curved central hands with arrow/spade-style tips.”

Movement and Condition

The watch utilizes a manual-wind movement. The specific movement caliber and serial numbers are not disclosed in the source documentation.

The movement was running at the time of cataloging, though it was not tested for timekeeping accuracy or power reserve duration. Prior service history is unknown, and the watch is sold in very good condition with minor wear commensurate with age.

Evidence for this section
  • “Movement Type Manual Wind”
  • “The movement is running at the time of cataloging, however, it was not tested for the accuracy of time or duration of the power reserve”
  • “Prior service history is unknown.”
  • “The watch is in overall very good condition with minor wear throughout commensurate with age.”

Open research questions

  • What is the specific movement caliber housed within this DB25LWS3V2 reference?
  • Can the production date be estimated based on the specific design of the openworked lugs and dial configuration?

Source evidence

Recorded claims and source quotations for De Bethune DB25 Moon Phase Starry Sky Reference DB25LWS3V2
FieldSource-reported valueSource quotation
ReferenceDB25LWS3V2“Reference Number DB25LWS3V2”
ComplicationMoon Phase“Complication Moon Phase”
Movement TypeManual Wind“Movement Type Manual Wind”
Case MaterialWhite Gold“Case Material(s) White Gold”
Case Size44.6 mm“Case Size (mm) 44.6”
Dial ColorBlue“Dial Color(s) Blue”
Band MaterialCrocodile Skin“Band Material Crocodile Skin”
Case BackSapphire display-back, Secured by screws“Case Back Sapphire display-back, Secured by screws”
Included AccoutrementsDe Bethune box and papers“Includes De Bethune box and papers.”

Visible details

  • Polished white gold case featuring openworked skeletonized lugs.
  • Vibrant blue dial with applied metallic star constellations and an outer hour track with spherical cabochon markers.
  • Three-dimensional spherical moon phase display located below 12 o'clock.
  • Openworked curved central hands with arrow/spade-style tips.
  • Black crocodile skin leather strap with matching stitching.

Research qualifications

  • Movement caliber and serial numbers are not specified in the source documentation.
  • Prior service history is unknown, and the movement was not tested for accuracy or power reserve.
  • Case back and movement mechanism are not visible in the provided photograph.

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

Consulted source

De Bethune DB25 Moon Phase Starry Sky (Reference DB25LWS3V2). A 44.6mm White Gold Manual Wind Wristwatch With Moon Phase. Available For Immediate Sale At Sotheby’s

Reviewed 2026-10-22 · Record f7c7f502dc

Terms in this record

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