Four Generations of Patek's Central Rotor Automatic Movement
In the late 70s Patek was juggling four automatic movements: 240, 28-355 (JLC 920), 27-460, and 350. They wanted a thin, automatic movement with sweep seconds that wasn’t the 350. Eventually this movement family, and the 240, would replace the other three...
Very interesting post.
I’m amazed how thin the movements were 40 years ago. Thank you for sharing.
You belong to the smaller part of true active member
Your analysis is as detailed as merciless for a movement and a manufacturer that represent the pillar of watchmaking. Well done, waiting for your next topic
Oooh! Another one of your posts! Thank you!
I'm fairly familiar with the 315, 324, and 330 movements. But didn't know much about the 310! Thank you for this! And give us more details about the Chinese clones of the 324!!! And feel free to mention that Dadan supplies Atelier Wen! I don't mind. We're...
The 310 tends to fly under the radar
The base 310 was used in a few Calatravas with narrow bezels. The only difference afaik between the 310 and 335 are the hour wheel, minute bridge, date wheel, and the 335 has two riser plates on the dial side. On Dandong’s infamous SL-4530, nearly all par...
Thanks for such an informative post ! 👍
Well done ! Did you spend much time on the research ?