Wednesday Hump Day Fun Fact #77 !!!
Posted by Irina Barshtak on August 20, 2025.
The Quiet Giant: Patek Philippe 5140R – A Legacy in Rose Gold
Welcome back to the return of our weekly series, where every Wednesday we deliver a dose of horological wonder!
Today, we’re diving into a timepiece that perfectly embodies grace, technical mastery, and timeless sophistication: the Patek Philippe Grand Complications Perpetual Calendar, Ref. 5140R.
The Masterpiece Behind the Model Number
The 5140R is more than a luxury watch—it's a miniature mechanical marvel. Crafted in 18k rose gold, this 37.2mm gentleman’s timepiece is powered by the ultra-thin Caliber 240 Q—a self-winding movement that manages a perpetual calendar and moon phase display with effortless precision.
It keeps track of the day, date, month, leap years—and won't need correcting until the year 2100. That’s right, this watch is smarter than your calendar app.
Elegance in Engineering
While its case is understated, the complexity within is staggering. Thanks to its micro-rotor design, the movement remains incredibly slim, letting the case hug the wrist like a second skin. The opaline silver dial is both serene and information-rich, laid out in a perfect tri-compax format.
Even among the Grand Complications line, the 5140R stands out as a modern tribute to the classic 3940, beloved by collectors for its balance of style and substance.
Fun Fact!
The 22k gold micro-rotor is not just decoration—it saves space while delivering robust winding power, helping Patek keep this perpetual calendar incredibly thin and wearable.
Soon Coming to Pacific Bay Watch, Inc Inventory!
A Patek Philippe 5140R-001 is on its way to our curated inventory. Interested in owning this piece of horological heritage? Contact us at sales@pacificbaywatch.com or call (949) 200‑9569 to reserve it early!
See you next Wednesday for another deep dive into watchmaking excellence.
— Irina & the Pacific Bay Watch Team
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