
W220 provides an extraordinary close-up examination of the Patek Philippe Aquanaut Ref. 5167's Caliber 324 movement, captured by removing the case back prior to service. This detailed photo essay offers a rare, magnified view of the movement's finishing, including the Silinvar Spiromax balance spring, and invites a deeper discussion into Patek Philippe's manufacturing quality at the entry level.
Recently my Aquanaut 5167 was sent in for service, but before doing so I removed the back crystal to try to get some better macro pictures of the movement.









Patek Philippe Aquanaut Reference 5167
The Reference 5167 represents the 40mm stainless steel iteration within Patek Philippe's Aquanaut model line. Introduced in 2007 and remaining in current production, this reference features a black dial and establishes the standard sizing for the steel Aquanaut offering.
The 40mm stainless steel case houses the automatic Caliber 324 S C movement, providing 45 hours of power reserve. The watch incorporates a sapphire crystal and smooth bezel configuration. Water resistance extends to 120 meters, while the distinctive composite rubber strap displays an embossed check pattern that complements the case design.
This reference appeals to collectors seeking contemporary Patek Philippe sports watch execution in stainless steel. The 5167 offers entry into the Aquanaut model range while maintaining the manufacturing standards associated with the Geneva manufacture. Its ongoing production status ensures availability through authorized channels for both new collectors and those expanding existing collections.
Other than that, I am very happy with this movement's performance and looks from my own experience.
Pateks are finely machine finished at their lower and mid-levels.
. I get it: it’s the entry level sports Patek. But still, given the premium paid for these watches for their presumed top-class hand-finishing, I’d expect more.
5078P, 5372P, 5970P, 5531R
For a moment there, I thought I was opening a thread with 324 pictures to trawl through. I mean, what sort of sick b’stard would link 324 photos in a thread?
It seems to have a higher degree of finishings. Credit picture: Phillips.
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