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Patek Philippe · Grand Complications

Strap for Split-Seconds Chronograph 5959 Platinum / Black

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

16mm
16 mm strapsAll Patek Philippe
Lug width16 mm
Case diameter33 mm
Reference5959P-011
FamilyGrand Complications
MovementPatek Philippe caliber CHR 27-525 PS hours, minutes, small seconds | Chronograph, column wheel, Rattrapante
Year2008 - 2016
CasePlatinum

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Grand Complications 5959P-011

Selected for the 16 mm lug width · workshop selection

All 16 mm straps →

The Grand Complications 5959P-011, seen from the bench

The Patek Philippe Grand Complications 5959P-011 Split-Seconds Chronograph features a minute repeater combined with a split-seconds chronograph with column wheel, housed in an elliptical platinum case measuring 33 mm. This manual caliber CHR 27-525 PS movement, developed in Geneva, contains 355 components and includes moonphase and power reserve indicator. The specific 16 mm lug width accommodates the unique elliptical case proportions and requires careful strap selection to maintain the watch's refined aesthetic balance.

Frequently asked questions

What is the lug width of the Patek Philippe Grand Complications 5959P-011?

The Patek Philippe 5959P-011 features a 16 mm lug width. This dimension is specific to the 33 mm elliptical case and is critical for maintaining correct proportions. Always verify that the strap seats flush within the lugs without forcing, ensuring symmetrical and smooth fit.

Which strap do you recommend for the 5959P-011 reference?

For the platinum 5959P-011, we recommend alligator with natural patina development, shell cordovan for intrinsic lustre, or vegetable-tanned calf for temporal colour evolution. Selection depends on usage: formal occasions suit alligator or shell; daily versatility suggests vegetable-tanned calf or textile NATO.

How do you change a strap on a Patek Philippe?

Strap changes on a Patek Philippe require specialised tools (lug pin removal tool) and calibrated handling. We recommend entrusting the operation to a qualified watchmaker or Casati Milano's service, which guarantees precision and case protection during the procedure.

Are there aftermarket straps compatible with the 5959P-011?

Yes, aftermarket 16 mm straps specifically engineered for the 5959P-011's lug are available. Milano Straps curates a selection of 16 mm straps in alligator, shell cordovan, and vegetable-tanned leather, compatible and guaranteed for artisanal quality.

How long does a leather strap last on a watch like the 5959P-011?

Durability depends on material and usage patterns. Alligator and shell cordovan deliver 3–5 years of light daily wear; vegetable-tanned calf, thanks to natural density, reaches 4–7 years. Prolonged sunlight exposure shortens service life. Casati Milano provides an 18-month warranty against manufacturing defects.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only