H.R.C. (on Valjoux), ELS (Rolex), HYS (Patek) abbreviations meaning?

Discussion in 'Wrist Watches' started by michael-35, Dec 31, 2019.

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  1. michael-35

    michael-35 Registered User

    May 4, 2016
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    Hello,
    I'm wondering what means or stay for these acronym/abbreviations:

    1) 14'' H.R.C. 14 are the lignes of the Valjoux 22 movement used by Doxa, but the letters stay for?

    2) ELS on this Rolex's bridge of a Valjoux 69.

    3) HYS on a gold Patek Philippes' folding clasp.

    Thanks for your help.

    Schermata 2019-12-29 alle 12.37.30.png Schermata 2019-12-31 alle 09.54.45.png Schermata 2019-12-31 alle 09.58.19.png
     
  2. Adam Harris

    Adam Harris Registered User
    Moore NWCM Award

    May 3, 2012
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    All very interesting
    Would love to know
     
    michael-35 likes this.

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