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Stopwatch HEUER ref. 503.202 (JS)

Stopwatch HEUER ref. 503.202 - JS version --- wide shot--- --- web version



Full designation

HEUER-LEONIDAS ref. 503.202 -JS version


  • start, stop and reset to zero by consecutive depression of the crown

Recorder and register

  • 1/10em second recorder (long black hand makes one revolution in 30 seconds)
  • central 0-30 minutes register (red hand makes one revolution in 30 minutes)


cylindrical crown, HEUER-LEONIDAS signed backcase and black matt case suggest that this stopwatch dates back to the 70’s

After some investigations, 503.202. reference is only found in 1969/1970 HEUER catalog


  • 7710
  • 7 jewels
  • unbreakable mainspring
  • antimagnetic
  • shockprotected


53 mm without crown and red shell

Distinctive signs

  • This model is a variation of this reference
  • “Jugen und Sport” (sport and youth) logo is printed on the dial. “Jugen und Sport” is a Swiss organisation for Sport promotion in Switzerland. “Jugen und Sport” still exists and you can visit its website
  • A red plastic shell with Swiss cross on the back protects this specimen