jaihoo
23
Calibre 28-255 ....Grand ol' daddy of C. 240...
1970's Automatic.....36 jewels ....8 adjustments.....21k rotor edge....with free-sprung gyro-max balance wheel......no idea what the power reserve is.....still in testing.....views???
Size: 28.00mm
Frequency: 19,800bph
Lift angle: 58 degrees
Calibre 28-255 ....Grand ol' daddy of C. 240...
1970's Automatic.....36 jewels ....8 adjustments.....21k rotor edge....with free-sprung gyro-max balance wheel......no idea what the power reserve is.....still in testing.....views??? Size: 28.00mm Frequency: 19,800bph Lift angle: 58 degrees...
No relation to the 240...
Now they're both excellent movements, but this was a JLC base that Patek bought and refined. If I remember the story they could not buy the thinnest version (no date, no seconds) because the development of that was funded by AP(still used as the cal 2120)...