Skip to content
The Encyclopedia of Horology

Wristwatch · Rectangular automatic chronometer wristwatch

Ulysse Nardin Automatic 36000 Chronometer Date Watch

Partially verified

This c. 1970s Ulysse Nardin Automatic 36000 Chronometer wristwatch features a rectangular stainless steel tank-style case measuring 31 mm in width with a 37.5 mm lug height. The vertically brushed silver-textured dial presents applied baton hour markers with black inserts, matching stick hands, a central seconds hand, and an applied anchor emblem. A date aperture is positioned at 6 o'clock. Powered by a 25-jewel automatic movement based on the ETA calibre 2826 with a 40-hour power reserve, the watch operates beneath an acrylic crystal and is fitted with a signed crown and leather strap.

Three-quarter view of the Ulysse Nardin rectangular stainless steel automatic wristwatch on a dark strap
Three-quarter view of the Ulysse Nardin rectangular stainless steel automatic wristwatch on a dark strap — Vintage Watch Specialist. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
vintagewatchspecialist.com
Category
Wristwatch · Rectangular automatic chronometer wristwatch
Maker / attribution
Ulysse Nardin
Reference
3600
Catalogue / lot identifier
vws3459
Source-reported date
c. 1970s
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

Identity and Design Features

Catalogued under model reference 3600 with an estimated date of issue in the 1970s, this Ulysse Nardin watch is described as an Automatic 36000 Chronometer Date. The listing title incorporates the phrase "Chocolatone Case," although the case material is explicitly given as steel in the technical table and description.

The dial features a silver textured finish with applied baton hour markers described as containing onyx inserts, matched by slim stick hands and a central seconds hand. A date aperture is situated at the 6 o'clock position, and an applied Ulysse Nardin anchor emblem is placed beneath the 12 o'clock marker.

Evidence for this section
  • “Ulysse Nardin Automatic 36000 Chronometer Date - Chocolatone Case - c.1970s”
  • “Model Ref 3600”
  • “Date of Issue 1970s”
  • “The dial has a delightful silver texture and boasts applied baton hour markers with subtle onyx inserts and the slim stick hands correspond too.”
  • “There is a date wheel unusually placed at 6 o'clock and an applied Ulysse Nardin anchor emblem completes the dial”

Case Construction and Exterior Hardware

The watch features a rectangular stainless steel "tank" case beneath an acrylic crystal. Recorded measurements from the vendor specification list a width of 31 mm, an 18 mm lug width, and a lug height noted verbatim with a unit error as "37.5m".

A winding crown is mounted on the 3 o'clock side, which the seller states is original and signed by Ulysse Nardin. The watch is fitted with a leather strap recorded as having an adjustable wrist size.

Evidence for this section
  • “encased in a robust stainless steel tank case.”
  • “Crystal Acrylic”
  • “Lug Height 37.5m Width 31mm Lug width 18mm”
  • “The crown is original and is signed Ulysse Nardin”
  • “Bracelet Leather”
  • “Wrist Size Adjustable”

Reported Movement and Technical Specifications

Internal mechanical components and movements are not depicted in the source imagery. The vendor records the movement type as mechanical with automatic winding, specifying the calibre as ETA 2826.

Additional movement data in the vendor's specification table includes a jewel count of 25 and an estimated power reserve of 40 hours. Internal calibre markings, beat rate calibration, and specific chronometer adjustment details are not documented in the provided material.

Evidence for this section
  • “Movement Type mechanical”
  • “Winding Automatic”
  • “Calibre ETA 2826”
  • “Jewels 25”
  • “Power Reserve 40hrs”

Open research questions

  • What specific reference, case number, or hallmarks are stamped on the interior and exterior of the case back?
  • Does the movement calibre ETA 2826 carry Ulysse Nardin-specific caliber designations or modifications reconciling the 36,000 vph dial text?
  • What is the historical or collector context behind the listing's designation of 'Chocolatone Case'?

Source evidence

Recorded claims and source quotations for Ulysse Nardin Automatic 36000 Chronometer Date Watch
FieldSource-reported valueSource quotation
Model Reference3600“Model Ref 3600”
CalibreETA 2826“Calibre ETA 2826”
Jewel Count25“Jewels 25”
Case Dimensions31mm width, 37.5mm lug height, 18mm lug width“Lug Height 37.5m Width 31mm Lug width 18mm”
Case MaterialStainless steel“robust stainless steel tank case”
CrystalAcrylic“Crystal Acrylic”
Strap MaterialLeather“Bracelet Leather”
Accompanying Box and PapersNone“Box No Dial Silver Papers No”
Seller Condition Rating9/10 (seller-assessed)“Condition 9/10”

Visible details

  • Rectangular stainless steel case with curved bezel contours and brushed finishing
  • Silvered textured dial with printed minute track and applied anchor logo below 12 o'clock
  • Date window placed vertically at 6 o'clock displaying numeral 11
  • Fluted winding crown visible at the 3 o'clock side

Research qualifications

  • Case back and movement interior are not depicted in the provided images
  • Source notes the lug height typo as '37.5m' in the specifications table

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

Consulted source

Ulysse Nardin Automatic 36000 Chronometer Date - Chocolatone Case - c. – Vintage Watch Specialist

Reviewed 2026-10-21 · Record d868443b8d

Terms in this record

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