Up Close with the Patek Philippe Grand Complication Ref. 5073P


One of the most extravagant Patek Philippe grand complications, the Ref. 5073P is a minute repeater with perpetual calendar, and over four carats of baguette-cut diamonds.

While its cousin without diamonds, the Ref. 5074P, is somewhat stealthy, the Ref. 5073P is unashamedly loud. The bezel, lugs and dial are set with large, baguette-cut diamonds, making the 42 mm case, already large by Patek Philippe standards, seem even larger. There is an undeniable, elemental appeal in a highly complicated watch with a gorgeously finished movement, that also happens to be extravagantly lavish.  Naturally the minute repeater is loud as well, though not as loud as the equivalent in gold. That’s down to the case made of platinum, which is more dense than gold. This particular model is the ref. 5073P-010, introduced only last year. Historically Patek Philippe grand complications in platinum with diamonds were matched with black dials, this is one of the few with a dark blue dial.

The R 27 Q movement is self-winding, and is equipped with cathedral gongs. Unlike ordinary minute repeater gongs that circle the movement once, cathedral gongs are much longer, almost twice as long as the circumference of the movement. This gives the chimes a deeper tone with longer resonance, though critics argue cathedral gongs tend to sound more muted. Here’s a clip of the ref. 5074P with the very same movement in action. Typical of a Patek Philippe grand complication the movement finishing is exemplary, acquitting itself well even up close. That being said, there is less to admire here as compared to a manually-wound repeater movement (like that in the more complicated ref. 5016), since the gold rotor occupies a third of the movement.

The governor of the repeater sits below the gilded, open-worked Calatrava cross; also notice the tiny ball bearings for the rotor on the left

The patented adjustable mass Gyromax balance wheel

For more Patek Philippe eye candy, check out our story on the ref. 5370P split-seconds chronograph

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