Urban Jürgensen Reference 2 'Prototype' in 18k yellow gold
Record status
Individual type · partial
Period
1996
This Urban Jürgensen Reference 2 'Prototype' wristwatch dates to 1996 and is cased in 18k yellow gold. Documented by Phillips for Geneva Watch Auction: XXIII as Lot 146, the perpetual calendar model was developed under Peter Baumberger and Derek Pratt.
Source reporting indicates it houses a Frédéric Piguet calibre 71 movement fitted with a Lemania perpetual calendar module. The hand-decorated solid silver dial displays guilloché engine turning, clous-de-Paris patterning, a moon-phase aperture, and classic Observatoire-style hands. In place of a standard production serial number, the dial bears an applied cartouche marked 'PROTO', matching movement number 000000 confirmed by company archives.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Perpetual calendar watch
- Case Diameter
- 38mm
- Case Material
- 18k yellow gold
- Place recorded
- Switzerland
- Movement Number
- 000000
- Dial Inscription
- PROTO
- Movement Calibre
- Frédéric Piguet calibre 71 with Lemania perpetual calendar module
- Maker / attribution
- Urban Jürgensen
Design
- Visible features
- • Silver engine-turned dial decorated with clous-de-Paris and basketweave guilloché patterns • Applied curved silver cartouches inscribed 'URBAN JÜRGENSEN COPENHAGEN' and 'PROTO' • Moon-phase aperture displaying a polished golden moon and stars set against a deep blue sky • Gilt Observatoire hour hand with a distinctive open circular eye and sharp tip
- Identity and Provenance
- This timepiece is a 1996 Urban Jürgensen Reference 2 'Prototype' cased in 18k yellow gold, listed as Lot 146 in the Phillips Geneva Watch Auction: XXIII. The watch is distinguished by its dial markings and movement numbering. In place of a standard serial number, the dial is marked 'PROTO', and the movement is numbered '000000', a designation documented by the brand's archives.
- Movement and Construction
- The timepiece is powered by an ultra-thin Frédéric Piguet calibre 71 movement, which is fitted with a perpetual calendar module developed by Lemania. The movement measures 2.4mm in thickness. The 38mm yellow gold case features a stepped bezel and teardrop lugs, design elements associated with the collaboration between Peter Baumberger and Derek Pratt.
- Dial and Aesthetic Features
- The dial is crafted from solid silver and features hand-decorated engine-turned patterns, including a clous-de-Paris center and a basketweave motif on the subsidiary registers. Observations of the dial include a moon-phase aperture with inlaid gold stars against a polished sky, and the signature Observatoire-style hour hand, noted for its circular eye and sharp tip.
Identification
- Reference
- 2
- Lot Number
- 146
- Serial number
- 000000
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: Full case, teardrop lugs, caseback, strap, and movement are not visible in the provided dial macro photograph
- Research required: Technical specifications and movement details are source-reported by Phillips auction editorial