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The Encyclopedia of Horology

Wristwatch · Weekly calendar wristwatch

Patek Philippe Calatrava Weekly Calendar, Ref. 5212A-001

Partially verified

This Patek Philippe Calatrava Weekly Calendar wristwatch, reference 5212A-001, is dated to 2022 by the source. Constructed in stainless steel with a diameter of 40 mm, it features a silvery opaline dial distinguished by handwritten-style lettering and numbering. The dial presents concentric scales for the day of the week, week numbers from 1 to 53 according to ISO 8601, and corresponding months, indicated by two central hands with red-accented tips. A date aperture is situated at 3 o'clock. The source reports the watch is powered by the self-winding calibre 26-330 S C J SE and is accompanied by a Certificate of Origin and box.

Front view of the Patek Philippe Calatrava Weekly Calendar Ref. 5212A-001 showing the silvery opaline dial and concentric calendar displays
Front view of the Patek Philippe Calatrava Weekly Calendar Ref. 5212A-001 showing the silvery opaline dial and concentric calendar displays — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
perpetual.phillips.com
Category
Wristwatch · Weekly calendar wristwatch
Maker / attribution
Patek Philippe
Reference
5212A-001
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
2022
Country
Switzerland

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 Exterior Observations

The Patek Philippe reference 5212A-001 is housed in a stainless steel case measuring 40 mm in diameter. It features a smooth bezel, polished finish, and stepped lugs. A fluted crown is situated at the 3 o'clock position.

The timepiece is fitted with a leather strap secured by a stainless steel pin buckle.

Evidence for this section
  • “Housed in a 40mm steel case”
  • “Polished stainless steel case with stepped lugs, smooth bezel, and a fluted crown at 3 o'clock”
  • “Clasp/Buckle Stainless Steel Pin Buckle”

Dial Design and Complications

The silvery opaline dial is characterized by its use of handwritten-style typography for the calendar indications. The display utilizes a concentric layout comprising three tracks: an inner track for days of the week, an intermediate track for week numbers 1 to 53, and an outer ring for the months.

Two central indicator hands with red-accented tips are used for the calendar readings, while the date is shown in an aperture at 3 o'clock.

Evidence for this section
  • “Dial Silvery Opaline”
  • “notable for its handwritten characters and distinctive typography”
  • “Concentric dial layout featuring an inner track for days of the week, an intermediate track for week numbers 1 to 53, and an outer ring for months”
  • “Two central indicator hands with red tips indicating the day of the week and week/month”

Mechanical Movement and Documentation

The watch is powered by the self-winding calibre 26-330 S C J SE. The movement and case back are not visible in the provided imagery. The source lists the year of the watch as 2022.

The watch is reported to be accompanied by a Certificate of Origin, presentation box, and outer packaging.

Evidence for this section
  • “Calibre Self-winding (automatic) 26-330 S C J SE”
  • “Year 2022”
  • “Accompanied by Certificate of Origin, presentation box, and outer packaging”

Open research questions

  • Verification of the physical movement serial number against the provided Certificate of Origin.
  • Confirmation of the presence and condition of the Certificate of Origin, presentation box, and outer packaging, as these were not clearly identified in the provided image data.

Source evidence

Recorded claims and source quotations for Patek Philippe Calatrava Weekly Calendar, Ref. 5212A-001
FieldSource-reported valueSource quotation
ManufacturerPatek Philippe“Manufacturer Patek Philippe”
ReferenceRef. 5212A-001“Reference Ref. 5212A-001”
Year2022“Year 2022”
MetalStainless Steel“Metal Stainless Steel”
CalibreSelf-winding (automatic) 26-330 S C J SE“Calibre Self-winding (automatic) 26-330 S C J SE”
Diameter40mm“Diameter 40mm”
DialSilvery Opaline“Dial Silvery Opaline”
ISO ComplianceWeek numbers 1 to 53“the Week in the form of numbers in accordance with the ISO 8601 standard”

Visible details

  • Concentric dial layout featuring an inner track for days of the week, an intermediate track for week numbers 1 to 53, and an outer ring for months
  • Handwritten-style typography across all calendar and date indications
  • Two central indicator hands with red tips indicating the day of the week and week/month
  • Date window positioned at 3 o'clock displaying a handwritten-style numeral '3'
  • Polished stainless steel case with stepped lugs, smooth bezel, and a fluted crown at 3 o'clock
  • Fitted with a light brown leather strap with visible cream edge stitching

Research qualifications

  • Movement and case back are not visible in the provided image
  • Accompaniments such as the Certificate of Origin and presentation box are reported by the source but only partially visible (paperwork beneath watch)

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

Consulted source

Patek Philippe, Calatrava Weekly Calendar | Patek Philippe Watch

Reviewed 2026-10-21 · Record 3da305616e

Terms in this record

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