Early R27 Tourbillon and subsequent glow up
https://www.christies.com.cn/zh-cn/lot/lot-5057787 https://www.europeanwatch.com/watch/Patek-Philippe-5016P-018-5016P-Minute-Repeater-Tourbillon-Retrogr-41933.html In 1989 Patek Philippe launched their first “in-house” repeater movement: caliber R27. The ...
Thank you for an
interesting post on the movements ! Did you have to spend much time on the research ?
Thank you, no not much time at all
This might end up as part of something larger on caliber R27 in general, or as something on tourbillons, since the R27 TO is by far the most produced Patek tourbillon movement.
I'll try...
I believe the 6002 has the base movement rotated roughly 30 degrees clockwise, such that the crown is relocated to 4 o'clock. Thus the tourbillon cage is now shifted to 7 o'clock (dial side). Maintaining a seconds hand at 6 o'clock will require an auxilia...
Thanks for the post ! I am not a super fan of the "Poinçon Patek Philippe" kind of self awarded quality seal vs. "Côtes de Genève" which were supposedly independent, but as a matter of fact the one the right with the PP Seal has a much higher level
of finishings than the one on the left. I wonder if it is because the 1st one is a kind of Ebauche and the other one a fully refinished movement ?
Both of these are finished movements, these watches were sold to customers.
Only 3 or 4 of the 1000+ of these movements Patek has made look like the left. These are just very, very early versions of the movement. This change happened in 1992, while Patek dropped the Geneva seal in mid-2009. Here's one with the better decoration a...