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The Encyclopedia of Horology

Wristwatch · Annual calendar wristwatch

Patek Philippe Reference 5125G Wempe Anniversary Edition

Partially verified

This Patek Philippe reference 5125G is a limited edition wristwatch produced in 2003 to commemorate the 125th anniversary of the retailer Wempe. The watch is constructed in 18K white gold, featuring a three-body case with a diameter of 37 mm and a thickness of 11 mm. It includes a screwed-down transparent case back and a protected winding crown. The matte silver dial displays applied white gold baton indexes, white gold dauphine hands, a 24-hour subsidiary dial, and apertures for the annual calendar functions and moon phases. The movement is the self-winding Caliber 315-203, which features 35 jewels, a 21K gold rotor, and a free-sprung Gyromax balance. It is marked with the Seal of Geneva. The timepiece was sold on September 13, 2003, and is one of a limited series of 125 pieces. It is accompanied by a fitted box, an additional engraved case back, a setting pin, and a certificate of origin.

Patek Philippe Reference 5125G wristwatch shown alongside its certificate of origin.
Patek Philippe Reference 5125G wristwatch shown alongside its certificate of origin. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Annual calendar wristwatch
Maker / attribution
Patek Philippe
Reference
5125G
Catalogue / lot identifier
242
Source-reported date
2003
Source-reported place
Switzerland
Source-reported serial
3360253

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 Dial

The timepiece features a three-body case crafted from 18K white gold, measuring 37 mm in diameter and 11 mm in thickness. The exterior construction is finished with a combination of polished and brushed surfaces. It is equipped with concave lugs and a protected winding crown. The watch is designed as water-resistant, featuring sapphire crystals and a screwed-down transparent case back.

The matte silver dial is appointed with white gold baton-style indexes and dauphine-shaped hands. The display provides astronomic and calendar indications, including a subsidiary dial for 24-hour time and apertures showing the date, days of the week, months, and moon phases. The dial bears signatures for both Patek Philippe and the retailer, Wempe.

Evidence for this section
  • “C. Three-body, solid, polished and brushed, screwed-down transparent case back and crown, protected winding crown, concave lugs, sapphire crystals.”
  • “D. Matte silver with applied white gold baton indexes, subsidiary dial for the 24 hours, apertures for the date, the days of the week, the months and the moon phases. White gold "dauphine" hands.”
  • “Dial also signed "Wempe".”

Movement and Technical Features

The watch is powered by the Patek Philippe Caliber 315-203, a self-winding movement. The caliber is rhodium-plated and decorated with "fausses côtes". It contains 35 jewels and utilizes a straight-line lever escapement and a 21K gold rotor.

Technical specifications for the movement include a free-sprung Gyromax balance, which is adjusted for heat, cold, isochronism, and 5 positions. The movement is further equipped with a shock absorber and a self-compensating flat balance spring. The movement is marked with the Seal of Geneva quality mark.

Evidence for this section
  • “M. Cal. 315-203, stamped with the Seal of Geneva quality mark, rhodium-plated, "fausses côtes" decoration, 35 jewels”
  • “straight-line lever escapement, free-sprung Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, 21K gold rotor.”

Provenance and Documentation

This piece was created in 2003 as part of a limited edition of 125 units produced to mark the 125th anniversary of the retailer Wempe. The individual watch is identified as number 030 of the 125 produced.

The watch is sold with an 18K white gold Patek Philippe deployant clasp. Documentation and accessories include a fitted box, a certificate of origin, a setting pin, and an additional case back engraved with the commemorative text 'Patek Philippe 125 Jahre Wempe 030/125'.

Evidence for this section
  • “Made in a limited edition of 125 pieces in 2003 to commemorate the 125th anniversary of Wempe.”
  • “Accompanied by a fitted box, an additional case back engraved "Patek Philippe 125 Jahre Wempe 030/125", setting pin and certificate of origin.”

Open research questions

  • Is the watch currently fitted with the standard case back or the commemorative engraved version described in the accessories list?
  • What is the specific functionality of the 24-hour subsidiary dial in relation to the annual calendar display?

Source evidence

Recorded claims and source quotations for Patek Philippe Reference 5125G Wempe Anniversary Edition
FieldSource-reported valueSource quotation
MakerPatek Philippe“Patek Philippe, Genève”
Reference5125G“Ref. 5125 G”
Movement Serial3360253“No. 3360253”
Case Serial4213393“case No. 4213393”
Limited Edition030/125“No 030/125. Made in a limited edition of 125 pieces in 2003”
Case Material18K white gold“18K white gold gentleman's wristwatch”
MovementCal. 315-203“M. Cal. 315-203”
Date of SaleSeptember 13, 2003“Sold on September 13th, 2003”

Visible details

  • Matte silver dial with apertures for triple date annual calendar and moon phases
  • Case includes concave lugs and a protected winding crown
  • Deployant clasp made of 18K white gold
  • Additional case back engraved with commemorative Wempe text

Research qualifications

  • The source notes an additional case back is included but does not specify if the watch is currently fitted with this or the original
  • Limited edition number 030/125 is provided, but verification of the serial numbers on all components is dependent on the provided certificate

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

Consulted source

'White 5125 - Wempe" Patek Philippe, Genève, retailed by Wempe, No. 3360253, case No. 4213393, Ref. 5125 G, No 030/125. Made in a limited edition of 125 pieces in 2003 to commemorate the 125th anniversary of Wempe. Sold on September 13th, 2003. Very fine and very rare, astronomic, center seconds, selfwinding, water-resistant, 18K white gold gentleman's wristwatch with semi-instantaneous digital triple date annual calendar, moon phases and an 18K white gold Patek Philippe deployant clasp. Accompanied by a fitted box, an additional case back engraved "Patek Philippe 125 Jahre Wempe 030/125", setting pin and certificate of origin.

Reviewed 2026-10-26 · Record b70cbc2304

Terms in this record

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

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