Technical Archive

Patek Philippe
Grand Complications 5327R-001— lug 20mm

Patek Philippe Grand Complications 5327R-001: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Perpetual Calendar 5327 Rose Gold / Ivory

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Patek Philippe 5327R-001
Lug Width
20 mm

The essential strap measurement.

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Reference

5327R-001

Movement

Patek Philippe caliber 240 Q Day / Night Indication, Hours, Minutes, Small Seconds | Date, Leap Year, Month, Perpetual Calendar | Moonphase

The Heritage

The Patek Philippe Grand Complications 5327R-001 is a perpetual calendar watch in 18-carat rose gold with a 39.00 mm case diameter and 20 mm lug width. It features the in-house Calibre 240 Q movement with 740 components, managing simultaneous perpetual calendar functions, day/night indication, and moon phase with precision requiring no correction until 2100. The rose gold case develops a natural patina over time, while the dial features applied baton indices and mirror-finished Dauphine hands.

FAQ

What is the lug width of the Patek Philippe Grand Complications 5327R-001?

The lug width of the 5327R-001 is 20 mm, measured centre-to-centre between the two lugs on the case. This proportion is specific to the 39 mm case diameter and is essential to ensure correct aesthetic and functional compatibility with any aftermarket strap.

Which strap is most suitable for the Patek Philippe 5327R-001?

Alligator represents the most coherent choice with the aesthetic identity of the perpetual calendar movement: its natural grain dialogues with the geometric rigour of the dial without competing with the rose gold. Shell cordovan, with its patina that evolves over time, and vegetable-tanned calf leather are equally distinguished choices.

How do I correctly measure the lug width for the 5327R-001?

Measure the distance between the two lugs on the case, centre-to-centre. For the 5327R-001, this distance must be exactly 20 mm. Verify from the front of the case, ideally passing over the dial, to the opposite end. Inaccurate measurement would result in unwanted gaps or excessive tension on the movement.

Can I use an aftermarket strap on this Patek Philippe?

Yes, a quality aftermarket strap is fully compatible with the 5327R-001, provided it strictly respects the 20 mm lug width. Ensure the strap is made from noble materials (alligator, cordovan, vegetable-tanned calf) to avoid compromising the visual identity of a timepiece of this calibre.

How long does a leather strap last on a Patek Philippe?

A quality strap in alligator or cordovan, with proper maintenance (avoiding excessive humidity and heat sources), typically lasts 4-6 years before requiring replacement. Vegetable tanning develops a fascinating patina over time but remains delicate. For a watch of the 5327R-001's value, we recommend always having one or two spare straps in rotation.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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The atelier's website: casatimilano.com