![ZENITH | EL PRIMERO, REF G583 YELLOW GOLD CHRONOGRAPH WRISTWATCH WITH DATE CIRCA 1969 | Watches Weekly | Geneva | 2020 | Sotheby's ZENITH | EL PRIMERO, REF G583 YELLOW GOLD CHRONOGRAPH WRISTWATCH WITH DATE CIRCA 1969 | Watches Weekly | Geneva | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/baedb88/2147483647/strip/true/crop/2000x2001+0+0/resize/2048x2049!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fe8%2F88%2F98cae0cb45f79e431b21f5c3857d%2Fg00601-bg9wf-1-38.9mm.jpg)
ZENITH | EL PRIMERO, REF G583 YELLOW GOLD CHRONOGRAPH WRISTWATCH WITH DATE CIRCA 1969 | Watches Weekly | Geneva | 2020 | Sotheby's
![Zenith - El Primero 18K (0,750) Gold Chronograph Cal. 3019 PHC - Ref. G7810 - Men - 1970-1979 | auctionlab Zenith - El Primero 18K (0,750) Gold Chronograph Cal. 3019 PHC - Ref. G7810 - Men - 1970-1979 | auctionlab](https://assets.catawiki.nl/assets/2022/12/29/b/4/c/b4c6477b-b974-489b-81dd-c61255024b02.jpg)
Zenith - El Primero 18K (0,750) Gold Chronograph Cal. 3019 PHC - Ref. G7810 - Men - 1970-1979 | auctionlab
Zenith Diver Pilot 01.0150.415 EP 3019 PHC -3-75 one of last ever with no signed bridge | WatchUSeek Watch Forums
![Zenith El Primero ref.G382 , cal. 3019 PHC Disco Volante 1969 for $11,983 for sale from a Private Seller on Chrono24 Zenith El Primero ref.G382 , cal. 3019 PHC Disco Volante 1969 for $11,983 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/19051930-27phyr71yzgjeng93ssrjoj2-ExtraLarge.jpg)