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Patek Philippe Perpetual Calendar Reference 5320G-001

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

2018

Maker / issuer

Patek Philippe

Housed in a 40mm 18-karat white gold case with a stepped bezel, it displays a cream opaline dial with luminescent Arabic numeral indices. The time and calendar functions are driven by the automatic Patek Philippe Calibre 324SQ movement, which contains 29 jewels and provides a 45-hour power reserve.

The movement is visible through a sapphire crystal case back. The watch is fitted with a signed brown alligator leather strap secured by an 18-karat white gold folding clasp. Documentation accompanying the timepiece includes the factory certificate of origin dated 2018. The watch exhibits syringe-style hands and incorporates peripheral displays for the perpetual calendar indications, including a sub-dial at the 6 o'clock position for the date and moon phase.

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 wristwatch
Movement
Patek Philippe Calibre 324SQ
Reference
5320G-001
Jewel count
29
Case diameter
40mm
Case material
18k white gold
Power reserve
45 hours
Place recorded
Switzerland
Certificate date
2018
Maker / attribution
Patek Philippe

Design

Visible features
• Cream opaline dial with applied Arabic numerals • Stepped polished bezel profile • Syringe-style luminous hands • Signed winding crown with Calatrava cross
Case and Dial Design
The dial is finished in a cream opaline color, set with luminous Arabic numerals and syringe-style hands. A peripheral track is provided for seconds. The perpetual calendar indications are arranged across the dial surface. Day and month windows are positioned in the upper center, while a sub-dial at the 6 o'clock position integrates the date indicator with the moon phase display. Additional apertures show the leap year cycle and day/night status.
Movement and Functionality
Powering the complications is the automatic Patek Philippe Calibre 324SQ movement, which utilizes 29 jewels. This mechanical engine tracks the time, day, month, year, and moon phase cycle. It provides a power reserve of approximately 45 hours. The movement is integrated with a sapphire crystal case back, allowing for observation of the internal mechanics. The movement operates as a perpetual calendar, automatically tracking variations in the calendar cycle.
Provenance and Documentation
The watch is documented with factory-issued materials, including a certificate of origin dated to 2018. It is currently equipped with a branded brown alligator leather strap and an 18-karat white gold folding clasp. The auction description reports these details as part of the listing's specifications provided by the source material. No independent authentication of the watch or its provided documentation has been conducted by the current cataloguer.

Identification

Reference
5320G-001
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: Authenticity and functional status are based on provided source claims only
  • Research required: Specific serial numbers are not disclosed in source text
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