![ZENITH, REF A783, EL PRIMERO CHRONOGRAPH, STEEL | Important Modern & Vintage Timepieces. | Geneva, November 11th, 2018 ZENITH, REF A783, EL PRIMERO CHRONOGRAPH, STEEL | Important Modern & Vintage Timepieces. | Geneva, November 11th, 2018](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/317/lots/29/29.jpg)
ZENITH, REF A783, EL PRIMERO CHRONOGRAPH, STEEL | Important Modern & Vintage Timepieces. | Geneva, November 11th, 2018
![ZENITH, REF. A783, DEFY EL PRIMERO CHRONOGRAPH, SILVER DIAL, STEEL | Important Modern & Vintage Timepieces | Geneva, May 9th, 2021 ZENITH, REF. A783, DEFY EL PRIMERO CHRONOGRAPH, SILVER DIAL, STEEL | Important Modern & Vintage Timepieces | Geneva, May 9th, 2021](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/339/lots/59/59.jpg)
ZENITH, REF. A783, DEFY EL PRIMERO CHRONOGRAPH, SILVER DIAL, STEEL | Important Modern & Vintage Timepieces | Geneva, May 9th, 2021
![ZENITH, REF. A783, EL PRIMERO CHRONOGRAPH, STEEL | Important Modern & Vintage Timepieces | Geneve, November 8,2020 ZENITH, REF. A783, EL PRIMERO CHRONOGRAPH, STEEL | Important Modern & Vintage Timepieces | Geneve, November 8,2020](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/333/lots/250/250.jpg)