Patek Philippe Caliber 240 vs 324 Comparison

Clueless_Collector · 2021-05-13T17:25:24Z

Explore the Patek Philippe Caliber 240 micro-rotor vs. Caliber 324 full-size rotor. Collectors debate winding efficiency, power reserve, and aesthetics.

Clueless_Collector initiates a compelling visual comparison between Patek Philippe's Caliber 240 and Caliber 324, inviting the WatchProSite community to weigh in on their aesthetic and functional preferences. This discussion delves into the nuanced engineering choices behind these iconic movements, offering valuable insights for collectors considering the micro-rotor versus full-size rotor designs. Clueless_Collector's personal observations and excellent photography set the stage for a detailed exploration of winding efficiency and power reserve.

Key Points from the Discussion

The Patek Philippe Caliber 240 micro-rotor movement, while aesthetically pleasing and enabling thinner cases, may exhibit less winding efficiency compared to full-sized rotors, potentially struggling to maintain power reserve through the night with moderate wear.
Despite general concerns about micro-rotor efficiency, the Caliber 240 in models like the Patek Philippe Ref. 5960 appears to wind very efficiently, fully recharging after only half a day of wear, contrasting with other 240-equipped references like the 5712 which can be less efficient.
Patek Philippe is actively working to improve power reserves, as evidenced by newer movements like those in the 6119s, which offer a minimum of 48 hours compared to the 324's 35-45 hours, addressing a common collector desire for extended autonomy.
For enthusiasts of micro-rotors, the new Patek Philippe Ref. 5236P, featuring an innovative platinum rotor, presents an exciting option that combines the desired aesthetic with potential enhancements in winding performance.

The Discussion

Chicolini

May 13, 2021

I am a huge fan of the 324SC abs have never been a fan of the micro rotor although I own some of those movements. To my there is no comparison. I think the 324 is one of the finest movements ever made and feeling it work makes one understand what Patek is

Clueless_Collector

May 13, 2021

Seems to be that way since it's their base movement for many of their complications...of course we know we prefer the looks of pure mechanical movements.

I only wish the power reserve can be higher than 35 for some of their watches and I see they are working on that as witnessed by the new 6119s. Thanks for the input Ed.

patrick_y

May 13, 2021

I like the 240s, but micro rotors never wind well.

I was very avtive for hours yesterday and yet my power reserve indicator on the 240 caliber didn't go up hardly at all! I really like micro rotors, but goodness, they're just not great winders.

Clueless_Collector

May 13, 2021

They do make a sound for both movements which is telling...

You have a 5712 or 5085? I know my 5960 PR indicator stays full steam whenever I wear it, it winds well.

patrick_y

May 14, 2021

I have the 5712.

Yes, the 5960 seems to wind very efficiently. After half a day of wearing, a 5960 seems to recharge fully. The 5960 is a great piece. Big and sporty. The 5712 is beautifully thin and delicate. But that winding seems to be very inefficient as well!

Clueless_Collector

May 15, 2021

I'm feeling the heft of the 5960P and sometimes the deployant is pressing against my wrist bones...

making an imprint on the skin, lol....maybe should go for the SS version, while there are still about equal in "value", not the black dial, of course.

Patek Philippe Caliber 240 vs 324 Comparison

Key Points from the Discussion

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