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The Encyclopedia of Horology

Wristwatch · Time-only automatic wristwatch

Grönefeld 1941 Principia Automatic Turquoise Dial

Partially verified

The Grönefeld 1941 Principia Automatic is an 18K rose gold self-winding time-only wristwatch measuring 39.5 mm in diameter. According to the seller, this 2023 piece is fitted with calibre G-06 and features a turquoise dial crafted in solid sterling silver with polished applied baton hour markers, blued hands, and a subsidiary seconds counter above 6 o'clock. The dial is signed 'THE NETHERLANDS' at 6 o'clock. The seller reports that the watch is fitted with a rose gold pin buckle on a blue buffalo strap and comes accompanied by its original warranty card, Grönefeld letter, presentation box, and outer packaging.

Front view of the Grönefeld 1941 Principia Automatic showing the 18K rose gold case and solid silver turquoise dial with small seconds.
Front view of the Grönefeld 1941 Principia Automatic showing the 18K rose gold case and solid silver turquoise dial with small seconds. — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
perpetual.phillips.com
Category
Wristwatch · Time-only automatic wristwatch
Maker / attribution
Grönefeld
Reference
Turquoise Dial
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
2023
Country
The Netherlands

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 External Construction

The timepiece is housed in an 18K rose gold case measuring 39.5 mm in diameter. The design features a stepped bezel, contoured lugs, and a fluted winding crown at 3 o'clock.

The timepiece is fitted with a blue buffalo strap and a rose gold pin buckle. Observations of the case back and buckle hardware are not recorded in the provided photographic source material.

Evidence for this section
  • “18K Rose Gold”
  • “Diameter 39.5mm”
  • “1941 case - named after the year their father Sjef was born - in warm red gold”
  • “Rose gold case featuring stepped bezel, contoured lugs, and a fluted winding crown at 3 o'clock”

Dial and Timekeeping Display

The dial is composed of solid sterling silver with a turquoise finish. It features polished applied baton hour markers.

Time is indicated by central blued steel hour and minute hands, with a blued small seconds hand at the 6 o'clock position. The dial displays 'GRÖNEFELD' below 12 o'clock, 'PRINCIPIA AUTOMATIC' above the subsidiary seconds, and 'THE NETHERLANDS' at 6 o'clock.

Evidence for this section
  • “turquoise dial in solid sterling silver”
  • “polished applied baton markers”
  • “Light turquoise dial with applied faceted rose gold-tone baton hour markers”
  • “Dial text reads 'GRÖNEFELD' below 12 o'clock, 'PRINCIPIA AUTOMATIC' above the subdial, and 'THE NETHERLANDS' at 6 o'clock”

Mechanism and Provenance

The watch is powered by the self-winding G-06 calibre. The production year is listed as 2023.

The watch is accompanied by an original warranty card, Grönefeld letter, presentation box, and outer packaging. The internal movement is not visible in the provided imagery.

Evidence for this section
  • “Calibre Self-winding (automatic) G-06”
  • “Year 2023”
  • “Full Set accompanied by Warranty Card, Grönefeld letter, presentation box, and outer packaging”

Open research questions

  • What are the official production records for 1941 Principia models featuring turquoise dials?
  • Does the serial number, if present on the case back, match the 2023 production window?

Source evidence

Recorded claims and source quotations for Grönefeld 1941 Principia Automatic Turquoise Dial
FieldSource-reported valueSource quotation
ManufacturerGrönefeld“Manufacturer Grönefeld”
Year2023“Year 2023”
Metal18K Rose Gold“Metal 18K Rose Gold”
CalibreSelf-winding (automatic) G-06“Calibre Self-winding (automatic) G-06”
Diameter39.5mm“Diameter 39.5mm”
AccessoriesFull Set accompanied by Warranty Card, Grönefeld letter, presentation box, and outer packaging“Accessories Full Set accompanied by Warranty Card, Grönefeld letter, presentation box, and outer packaging”
ReferenceTurquoise Dial“Reference Turquoise Dial”

Visible details

  • Light turquoise dial with applied faceted rose gold-tone baton hour markers
  • Blued steel central hour and minute hands paired with a blued small seconds hand at 6 o'clock
  • Rose gold case featuring stepped bezel, contoured lugs, and a fluted winding crown at 3 o'clock
  • Dial text reads 'GRÖNEFELD' below 12 o'clock, 'PRINCIPIA AUTOMATIC' above the subdial, and 'THE NETHERLANDS' at 6 o'clock

Research qualifications

  • The movement, strap buckle, and case back are not visible in the provided primary photograph.
  • Serial number is not stated in the listing details.

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

Consulted source

Grönefeld, 1941 Principia Automatic Turquoise Dial | Grönefeld Watch - Phillips

Reviewed 2026-10-22 · Record 3ce3db2f61

Terms in this record

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