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FabR, a Patek Philippe moderator for WatchProSite, offers an exclusive first look at the brand's newest Grand Complication, the Reference 5470P. His initial post, shared directly from a technical presentation, provides immediate access to official details and high-resolution images. This article synthesizes community reactions and expert analysis, enriching FabR's original announcement with diverse perspectives on Patek Philippe's latest horological innovation.
Dear Friends,
it's with great pleasure that today we can announce the latest, remarkable Grand Complication created by Patek Philippe --- Ref. 5470P in Platinum, as part of the regular catalog! 
You can soon find all the information on this new marvel also on Patek's official site, at:
I'm currently viewing a technical presentation with the Brand --- which will be publicly available on Patek's site in about one hour from now --- but I will as usual update this thread for you throughout the day, with all the technical information and official press releases as they come in!
Hope you'll enjoy!!
FabR (Patek moderator for WatchProSite)
Key Points from the Discussion
- The 'measurement' claim for the 1/10th second chronograph is debated, as a 5Hz movement can only accurately measure up to 2.5Hz according to the Nyquist-Shannon theorem, implying a 0.4-second resolution, not 0.1 seconds.
- The concept of 'measurement' in this context is simpler than Nyquist-Shannon theory, focusing on single instance time duration rather than amplitude sampling for signal recreation.
- The coaxial stacking of the 1/10th second hand on top of the regular chronograph seconds hand creates an unnecessarily complex mechanism, with usability drastically dropping after the initial 12-second revolution due to difficulty tracking multiples of 12 seconds.
- The red 12-second chronograph hand spins five times faster than the regular 60-second hand, and while Patek's press material suggests two 'independent' chronographs, they are effectively tied together in functionality.
- Patek Philippe's design choices, including avant-garde styling and color, reflect a response to competition from other luxury brands and independents, aiming for a contemporary appeal while maintaining a balance between classic and modern aesthetics.
- The 1/10th second hand runs independently of the regular chronograph hand, completing a full cycle every 12 seconds, but its utility for tracking beyond the first 12 seconds is limited as the regular second hand already tracks the overall elapsed time.
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