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Urban Jurgensen

Reference P8

Ref. P8
2010–present · 42mm · caliber Urban Jurgensen Cal. 11: manual-wind, 21,600bph, 60h PR; movement hand-finished to a standard approaching Dufour: sharp anglage, straight-grained bridges, hand-chamfered cock; platinum or gold case
Mass-produced

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Movement tier: unclassified · caliber Urban Jurgensen Cal. 11: manual-wind, 21,600bph, 60h PR; movement hand-finished to a standard approaching Dufour: sharp anglage, straight-grained bridges, hand-chamfered cock; platinum or gold case · 60h power reserve (2.5 days)
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
42 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

The Urban Jurgensen P8 is a hand-finished dress watch from Copenhagen and Le Locle, made in very small numbers. Authentication focuses on movement finishing quality and dial authenticity. No known counterfeits exist at a serious level; the primary concern is condition misrepresentation and provenance.

Known issues in the market
  • Urban Jurgensen production runs are small enough that any example for sale should have traceable provenance.
  • Dial printing quality on genuine UJ dials is very high; any dial text that appears slightly soft or irregular under magnification is a concern.
  • The P8's tear-drop lug shape is distinctive; a case with different lug geometry is not a P8.
AreaWhat to checkWhat is correctRed flag
caseTear-drop lug shapeThe P8 lugs taper to a distinctive curved point; the lug profile is symmetrical and the curve is smooth and consistent on all four lugsStraight or blunt lugs; asymmetrical taper; any roughness in the lug curve that suggests filing or reworking
dialDial quality: enamel or guilloché constructionEnamel dials have depth and translucency; guilloché shows mechanical hatching with consistent faceting under a loupe; any genuine UJ dial is noticeably above commercial printing qualityPrinted appearance on a claimed enamel or guilloché dial; flat, uniform texture under magnification; inconsistent text weight
movementHand-finishing on Cal. 11 bridgesStraight-grained brushing on bridges; anglage on all visible edges; blued screws; perlage on plates; finishing standard approaching Dufour and VoutilainenMachine-regular finishing; rounded or unfinished chamfer edges; un-blued or mismatched screws
casebackMovement hallmarks and brand engraving"Urban Jurgensen" text and caliber designation are engraved clearly; case serial number matches any documentationMissing brand engraving; incorrect caliber designation; serial number not matching documentation
Common legitimate replacements
  • Strap replacement is common; confirm correct Urban Jurgensen strap with appropriate clasp hardware.
Expert resources: Urban Jurgensen boutiques in Copenhagen or Le Locle can authenticate via serial number. For pre-owned transactions, specialists at major auction houses who cover independent watchmakers are the most reliable resource.

Authentication guide

Last reviewed June 2026

Urban Jürgensen Reference P8 houses the proprietary Cal. UJ11 with hand-finishing approaching Dufour standards. The movement finishing through the caseback is the primary authentication check. No reproduction exists at the required production level.

Known reproduction risks

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LOW

No known reproduction at this production level

  • Non-original movement lacks the Cal. UJ11 architecture and hand-finishing standard
  • Machine-chamfered screws and rounded anglage are the immediate tells

Secondary market P8 pieces should be verified through Urban Jürgensen directly for serial confirmation.

Dial variants by era

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EraDescriptionIdentifiers
P8 production42mm case with Cal. UJ11. Silver or enamel dial depending on the specific commission.
  • Applied indices with precise, consistent finish
  • UJ typography on dial face
  • Case diameter is 42mm; larger than the 1140 and more tool-watch oriented

Service part flags

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Movement (Cal. UJ11)

Original: Proprietary movement with hand-filed anglage, Côtes de Genève, hand-chamfered screw slots. Bridges have flat, mirror-polished surfaces.

Replacement tells
  • Any movement other than Cal. UJ11
  • Rounded anglage rather than crisp acute angle
  • Machine-polished surfaces without the flat mirror quality of hand finishing
  • Screw slots not individually chamfered

Case back markings

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All P8 production
  • Urban Jürgensen markings on caseback
  • Cal. UJ11 designation
  • Serial number
  • Precious metal purity marking

Movement tells

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  • Cal. UJ11 movement bridges should show flat, mirror-polished surfaces through the caseback.
  • Côtes de Genève (Geneva stripes) visible on the main plate should be parallel and consistent.
  • Screw slots are individually hand-chamfered; under a loupe, each chamfer has a slightly unique character consistent with hand filing.
  • UJ movements are hand-wound or have a specific winding architecture per the caliber; confirm against the reference specification.
Sources: Urban Jürgensen official.

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