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The Encyclopedia of Horology

Wristwatch · Fusée and chain constant force wristwatch

Zenith Academy Force Constante, Georges Favre-Jacot, Ref. 18.2210.4810/01.C713

Partially verified

This Zenith Academy Force Constante, Georges Favre-Jacot, reference 18.2210.4810/01.C713, is an 18K pink gold wristwatch dating circa 2016. Numbered 27 in a limited edition of 150 pieces celebrating the manufacturer's 150th anniversary, the 45mm watch houses the manual-wind calibre El Primero 4810 with 30 jewels beating at 5 Hz. An upper dial cutaway exposes the fusée and chain constant-force mechanism supported by dual bridges. The grained lower dial features off-center running seconds and a 50-hour power reserve indicator.

Zenith Academy Force Constante in 18K pink gold with exposed fusée and chain mechanism
Zenith Academy Force Constante in 18K pink gold with exposed fusée and chain mechanism — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.phillips.com
Category
Wristwatch · Fusée and chain constant force wristwatch
Maker / attribution
Zenith
Reference
18.2210.4810/01.C713
Catalogue / lot identifier
1046
Source-reported date
Circa 2016
Country
Switzerland
Source-reported serial
494’672

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

Object Identity and Provenance

This timepiece is a Zenith Academy Force Constante, Georges Favre-Jacot, identified as reference 18.2210.4810/01.C713. It is numbered 27 of a limited edition of 150 pieces produced to celebrate the manufacturer's 150th anniversary.

The watch is accompanied by accessories including a Zenith warranty card dated September 2, 2016, from Daimaru Kobe, Japan. The source records the year as circa 2016.

Evidence for this section
  • “numbered 27 of a limited edition of 150 pieces made for the 150th anniversary of Zenith”
  • “Accompanies by Zenith warranty card stamped Daimaru Kobe Japan dated 2nd September 2016”
  • “Year Circa 2016”

Dial and Visual Observations

The dial features an upper cutaway exposing a fusée and chain mechanism supported by two symmetrical openworked bridges. The lower dial is finished with a grained texture.

Functional displays include a running seconds subdial positioned between 7 and 9 o'clock and a power reserve indicator located between 4 and 5 o'clock with a blued steel hand.

Evidence for this section
  • “Upper dial cutaway displays a fusée and chain mechanism supported by two openworked bridges.”
  • “Off-center subdial for running seconds positioned between 7 and 9 o'clock.”
  • “Power reserve sector located between 4 and 5 o'clock with blued steel indicator hand.”

Mechanism and Construction

The watch utilizes the manual-wind calibre El Primero 4810 with 30 jewels, operating at 5 Hz. The movement incorporates a 575-part fusée and chain mechanism.

The case measures 45mm in diameter and is crafted from 18K pink gold. It is fitted with an 18K pink gold deployant clasp and a crocodile strap.

Evidence for this section
  • “Calibre Manual, cal. El Primero 4810, 30 jewels”
  • “high frequency El-primero 4810 calibre beating at 5 Hz”
  • “The 575 parts fusée and chain mechanism by Zenith unveils within the present model”
  • “Dimensions 45mm diameter”
  • “Material 18K pink gold”
  • “Bracelet/Strap Crocodile”

Open research questions

  • What are the specific maintenance requirements for the 575-part fusée and chain mechanism at 5 Hz?
  • Does the current condition of the chain links show any visible wear?

Source evidence

Recorded claims and source quotations for Zenith Academy Force Constante, Georges Favre-Jacot, Ref. 18.2210.4810/01.C713
FieldSource-reported valueSource quotation
Case Number27/150“Case No 27/150”
CalibreEl Primero 4810“Calibre Manual, cal. El Primero 4810, 30 jewels”
Dimensions45mm diameter“Dimensions 45mm diameter”
Case Material18K pink gold“Material 18K pink gold”
Movement Number494’672“Movement No 494’672”
Movement Number494’672“Movement No 494’672”
Power Reserve50 hours“power reserve of up to 50 hours”

Visible details

  • Upper dial cutaway displays a fusée and chain mechanism supported by two openworked bridges.
  • Off-center subdial for running seconds positioned between 7 and 9 o'clock.
  • Power reserve sector located between 4 and 5 o'clock with blued steel indicator hand.
  • Central blued steel hands set against a silvered, grained lower dial.
  • Smooth 18K pink gold round case with fluted crown, mounted on a brown leather strap.

Research qualifications

  • Movement side and case back are not visible in the provided image.
  • Deployant clasp, packaging, and documented accessories are not visible in the photograph.

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

Consulted source

Zenith The Hong Kong Watch Auction: XXII

Reviewed 2026-10-25 · Record 30b9576253

Terms in this record

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