Vintage Near-NOS Keystone Triple Date Moonphase w/ an Oversize Steel Case

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Up for sale is another superb near-new old stock vintage timepiece. This one’s a 37.5mm steel Keystone triple date moonphase with a Bidynator automatic movement. It’s in almost perfect, untouched condition. See below for full info, and don’t hesitate to message me with questions.



Dial: Original, non-refinished dial is in outstanding condition. Colors are vibrant, including the stunning blue moonphase disc. Day of the week and month I believe are in Italian.

Case: Original, unpolished 37.5mm stainless steel case is almost perfect. There are just a few scratches on the lugs from light use. I’ve put a clear sticker on the caseback to protect it from wear.

Crown: Original, unsigned crown.

Crystal: Plexi crystal is free of scratches (assumed to be original but they weren’t originally signed so hard to know for sure).

Movement: Original Felsa 693 Bidynator automatic triple date moonphase movement runs, winds, and sets well, but service history is unknown so as always, a service is recommended prior to regular use.

Strap: Comes on the custom made (on the shorter end) Torre strap pictured.

Trades: Open to vintage non-luminous white metal watches for trade/partial trade. Especially seeking a steel Rolex Thunderbird (1625 or earlier ref), 1950s and earlier steel chronos, nice steel/white gold/platinum IWC/Vacheron/AP dress watches, textured dial steel Omegas, and open to other offers.

Including US shipping (international shipping is also available). Bank transfer/Wise (or similar) for payment. OF seller reviews are here. Returns are accepted if the watch is grossly misrepresented. Watch is located in the USA.

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It is unfortunate that the calendar is not in English! Someone would likely have bitten by now. Good looking watch!