![Zenith Watches on Twitter: "Green sleeve-killer time today - #Zenith from 1967, cal. 2310. https://t.co/MUZ7pGBZog https://t.co/4FNQiv9aDZ" / Twitter Zenith Watches on Twitter: "Green sleeve-killer time today - #Zenith from 1967, cal. 2310. https://t.co/MUZ7pGBZog https://t.co/4FNQiv9aDZ" / Twitter](https://pbs.twimg.com/media/FQStXlzXMAACwTS.jpg)
Zenith Watches on Twitter: "Green sleeve-killer time today - #Zenith from 1967, cal. 2310. https://t.co/MUZ7pGBZog https://t.co/4FNQiv9aDZ" / Twitter
![Zenith Cal. 2310 circa 1964 | steel manually wound vintage wristwatch with two-tone dial - Black Bough | Ludlow Zenith Cal. 2310 circa 1964 | steel manually wound vintage wristwatch with two-tone dial - Black Bough | Ludlow](https://www.blackbough.co.uk/wp-content/uploads/zenith-cal-2310-circa-1964-vintage-wristwatch-wzztt-v05.jpg)
Zenith Cal. 2310 circa 1964 | steel manually wound vintage wristwatch with two-tone dial - Black Bough | Ludlow
![Exceptional Solid 18ct Gold Zenith 17 Jewel Cal 2310 Mens Watch C1960 | 208298 | Sellingantiques.co.uk Exceptional Solid 18ct Gold Zenith 17 Jewel Cal 2310 Mens Watch C1960 | 208298 | Sellingantiques.co.uk](https://www.sellingantiques.co.uk/photosnew/dealer_fowey/dealer_fowey_full_1361186564672-6852137403.jpg)
Exceptional Solid 18ct Gold Zenith 17 Jewel Cal 2310 Mens Watch C1960 | 208298 | Sellingantiques.co.uk
![Zenith - As promised in another thread, here are some pics and facts about my green vintage Zenith, manual wound cal. 2310. Zenith - As promised in another thread, here are some pics and facts about my green vintage Zenith, manual wound cal. 2310.](https://storage.googleapis.com/pubzapuscentral/watchprosite/zenith/331/raw/zenith_6562591.jpg)