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The Encyclopedia of Horology

Wristwatch · Perpetual calendar chronograph wristwatch

IWC Da Vinci, Reference 3750

Partially verified

This IWC Da Vinci, Reference 3750, is an 18k yellow gold automatic perpetual calendar chronograph wristwatch dating to circa 1993 according to Sotheby's. The 39 mm diameter case features hinged T-bar lugs, round chronograph pushers, and a snap-on case back. Its white dial incorporates four subsidiary displays for perpetual calendar and chronograph functions, including moon phases at 12 o'clock, Italian calendar indications, and a four-digit year window between 7 and 8 o'clock. The movement is an automatic calibre 79061 with 36 jewels.

Front view of the IWC Da Vinci Reference 3750 in yellow gold
Front view of the IWC Da Vinci Reference 3750 in yellow gold — Sotheby's. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.sothebys.com
Category
Wristwatch · Perpetual calendar chronograph wristwatch
Maker / attribution
IWC
Reference
3750
Catalogue / lot identifier
407
Source-reported date
Circa 1993
Country
Switzerland
Source-reported serial
2'422'852

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

Identity and Classification

This timepiece is an IWC Da Vinci, Reference 3750, described in the auction catalog as an 18k yellow gold perpetual calendar chronograph wristwatch with moon phases and year indication. Sotheby's dates the piece to circa 1993.

The catalog records case number 2'422'852 and movement number 2'424'023, while noting that the watch is signed on the case, dial, and movement.

Evidence for this section
  • “IWC Da Vinci, Reference 3750 | A yellow gold perpetual calendar chronograph wristwatch with moon phases and year indication | Circa 1993”
  • “Movement number: 2'424'023”
  • “Case number: 2'422'852”
  • “Signed: case, dial and movement”

Case Construction and Strap

The watch is constructed with an 18k yellow gold case measuring 39 mm in diameter and features a snap-on case back. Visual inspection shows cylindrical hinged lugs attaching the strap and round chronograph pushers flanking a fluted crown.

Catalog specifications state the closure consists of an IWC alligator strap paired with an 18k yellow gold buckle, with observations noting a brown leather alligator strap.

Evidence for this section
  • “Case: 18k yellow gold, snap-on case back”
  • “Size: 39 mm diameter”
  • “Closure: IWC alligator strap and 18k yellow gold buckle”
  • “Brown alligator leather strap attached via cylindrical hinged lugs”
  • “Round chronograph pushers flanking a fluted crown”

Dial Display and Visible Features

The catalog documents a white dial, which is observed with applied yellow gold-toned hour batons, matching time hands, and blued chronograph hands. Four subsidiary displays register perpetual calendar and chronograph functions, including moon phases at the 12 o'clock position.

Calendar indications feature Italian day and month abbreviations (such as DOM, LUN, MAR, and GEN, FEB, MAR). Positioned between 7 and 8 o'clock is an aperture displaying a four-digit year, shown as '1996' in the catalog photograph.

Evidence for this section
  • “Dial: white”
  • “White dial with Italian day and month abbreviations (DOM, LUN, MAR; GEN, FEB, MAR, etc.)”
  • “Four-digit year indicator showing '1996'”
  • “Blued chronograph hands paired with yellow gold-toned time hands and applied hour batons”

Open research questions

  • What specific calibre markings and serial engravings are present on the movement plates beneath the snap-on case back?
  • Does the watch retain its complete century slide inserts for the four-digit year indicator, given that no accessories were cataloged with the lot?
  • What explains the divergence between the catalogued circa 1993 date and the year 1996 shown in the dial aperture?

Source evidence

Recorded claims and source quotations for IWC Da Vinci, Reference 3750
FieldSource-reported valueSource quotation
Reference3750“Reference 3750”
Movement Number2'424'023“Movement number: 2'424'023”
Case Number2'422'852“Case number: 2'422'852”
Case Material18k yellow gold“Case: 18k yellow gold, snap-on case back”
Calibrecal. 79061 automatic, 36 jewels“Calibre: cal. 79061 automatic, 36 jewels”
Case Diameter39 mm“Size: 39 mm diameter”
ClosureIWC alligator strap and 18k yellow gold buckle“Closure: IWC alligator strap and 18k yellow gold buckle”
BoxNo“Box: no”
PapersNo“Papers: no”
AccessoriesNone“Accessories: none”

Visible details

  • White dial with Italian day and month abbreviations (DOM, LUN, MAR; GEN, FEB, MAR, etc.)
  • Four-digit year indicator showing '1996'
  • Blued chronograph hands paired with yellow gold-toned time hands and applied hour batons
  • Brown alligator leather strap attached via cylindrical hinged lugs
  • Round chronograph pushers flanking a fluted crown

Research qualifications

  • Movement and interior case back are not visible in the provided image
  • Source notes no box, papers, or additional accessories accompany the lot

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

Consulted source

Iwc | Da Vinci, Reference 3750 | A yellow gold perpetual calendar

Reviewed 2026-10-21 · Record c2f2d41061

Terms in this record

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