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The Encyclopedia of Horology

Wristwatch · Stopwatch

Heuer Game-Master Stopwatch, Ref. 502.050

Partially verified

The Heuer Game-Master, reference 502.050, is a manual-wind wristwatch stopwatch dated circa 1960. The auction house reports a 54 mm stainless steel case housing caliber 7710. The white dial displays Arabic numerals denoting 5 to 60 minute or second intervals, a fine outer track marked 'MADE IN SWITZERLAND', a bold red pointer hand, and a slender black hand. The Heuer shield and 'GAME-MASTER' name appear centrally. A black outer turning bezel surrounds the dial with a red triangle index, while the case features prominent control crowns and pushers on the left flank.

Front view of Heuer Game-Master stopwatch, reference 502.050, showing white dial and black rotating bezel
Front view of Heuer Game-Master stopwatch, reference 502.050, showing white dial and black rotating bezel — Christie's. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
onlineonly.christies.com
Category
Wristwatch · Stopwatch
Maker / attribution
Heuer
Reference
502.050
Catalogue / lot identifier
116
Source-reported date
circa 1960
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 Construction and Ergonomics

The Game-Master reference 502.050 is housed in a 54 mm stainless steel case. The design features knurled pushers and crowns on the left flank, with a smaller crown situated on the right side. The watch is fitted to a textured leather strap attached to straight lugs.

The dimensions and material composition are provided by the auction documentation.

Evidence for this section
  • “CASE DIAMETER: 54mm”
  • “CASE MATERIAL: Stainless steel”
  • “Large knurled pushers and crowns situated on the left side of the case, and a smaller crown on the right”

Dial and Bezel Configuration

The white dial displays black Arabic numerals from 5 to 60 and an outer graduation track. Branding includes the Heuer shield and 'GAME-MASTER' text above 6 o'clock, with 'MADE IN SWITZERLAND' at the lower edge. Interval measurements are indicated by a bold red pointer hand and a slender black hand.

The dial is framed by a black rotating outer bezel calibrated 5 to 55, featuring an inverted red triangle index.

Evidence for this section
  • “White dial with black Arabic numeral indices from 5 to 60 and outer graduation track”
  • “Printed 'GAME-MASTER' and Heuer shield above 6 o'clock, with 'MADE IN SWITZERLAND' along the lower edge”
  • “Black rotating outer bezel calibrated 5 to 55 with an inverted red triangle at the top”

Mechanical Specifications and Operational Status

The timepiece is powered by a manual-wind movement, identified in the source as caliber 7710. This internal identification is based on auction cataloguing and remains unverified by direct observation.

The source states the stopwatch function was working at the time of cataloguing. It is noted that the movement has not been tested for timekeeping accuracy.

Evidence for this section
  • “CALIBER: 7710”
  • “The stopwatch function is working at the time of cataloguing. The movement has not been tested for accuracy.”

Open research questions

  • Are there specific serial number ranges for reference 502.050 that allow for a more precise manufacturing date?
  • What is the intended primary use-case for the left-handed crown and pusher orientation on this specific stopwatch model?

Source evidence

Recorded claims and source quotations for Heuer Game-Master Stopwatch, Ref. 502.050
FieldSource-reported valueSource quotation
Reference502.050“REF. 502.050”
Circa1960“CIRCA: 1960”
Case MaterialStainless steel“CASE MATERIAL: Stainless steel”
Case Diameter54mm“CASE DIAMETER: 54mm”
Caliber7710“CALIBER: 7710”
MovementManual“MOVEMENT: Manual”
Estimated Datecirca 1960“CIRCA: 1960”

Visible details

  • White dial with black Arabic numeral indices from 5 to 60 and outer graduation track
  • Printed 'GAME-MASTER' and Heuer shield above 6 o'clock, with 'MADE IN SWITZERLAND' along the lower edge
  • Central bold red hand and slender black hand
  • Black rotating outer bezel calibrated 5 to 55 with an inverted red triangle at the top
  • Large knurled pushers and crowns situated on the left side of the case, and a smaller crown on the right
  • Black textured leather strap fitted to straight lugs

Research qualifications

  • Movement caliber 7710 and stainless steel case material are source-reported and not directly visible in the dial-side photograph
  • Christie's condition report notes the movement was not tested for accuracy

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

Consulted source

HEUER, GAME-MASTER STOPWATCH, REF. 502.050, | Christie’s

Reviewed 2026-10-22 · Record ddfa65db87

Terms in this record

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