Patek Philippe · Complications

Strap for World Time 5230R Rose Gold / Grey / Beijing

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
Reference5230R-012
FamilyComplications
MovementPatek Philippe caliber 240 HU Hours, Minutes, World Time, Day / Night Indication
CaseRose Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Complications 5230R-012

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Complications 5230R-012, seen from the bench

The Patek Philippe Complications Ref. 5230R-012 World Time features a 38.5 mm rose gold case housing the caliber 240 HU automatic movement. The enamel dial displays 24-hour zones and day/night indication synchronized via a rotating city disc, a complication introduced in 1939. Lug width is 20 mm. The rose gold bezel is engraved with 24 reference cities, while the Cloisonné enamel dial depicts a world map in blue and green tones.

Frequently asked questions

What is the lug width of the Patek Philippe Complications 5230R-012?

The lug width of the Patek Philippe Complications 5230R-012 is 20 mm, measured internally between the two case lugs. This dimension can be verified using a digital calliper or a precision ruler placed at the strap attachment point.

What is the best strap for the Patek Philippe Complications 5230R-012?

Given the rose gold case and enamel dial of the 5230R-012, a vegetable-tanned alligator strap in burgundy, mahogany or havana tones is the most aesthetically coherent choice. The transversal grain of the alligator leather complements the finished surfaces of the case, while the natural patina of vegetable-tanned leather improves with age. Alternatively, a cognac shell cordovan strap offers superior chromatic depth and durability compared to standard calfskin.

How do I change the strap on the Patek Philippe Complications 5230R-012?

The strap on the Patek Philippe 5230R-012 is replaced using a spring bar tool with a 0.6–0.8 mm tip. Insert the tool into the lug notch, compress the spring bar and slide the strap free. Care must be taken to avoid scratching the rose gold case: it is advisable to protect the lugs with PTFE tape or to entrust the operation to a qualified watchmaker or specialist atelier.

Are there aftermarket straps compatible with the Patek Philippe Complications 5230R-012?

Yes, the 20 mm lug width of the 5230R-012 is compatible with a wide range of handcrafted aftermarket straps. It is essential to select straps with tapered or slightly curved ends to match the lug geometry and ensure a clean fit without visible gaps. Milanostraps.it offers a curated selection of 20 mm straps in fine leathers, handcrafted and fully compatible with this reference.

How long does a leather strap last on the Patek Philippe Complications 5230R-012?

The lifespan of a leather strap depends on the leather type, frequency of use and level of care. A quality vegetable-tanned alligator strap, worn on rotation with other straps, can last between 3 and 6 years. Contact with water, perspiration and perfume accelerates deterioration: it is advisable to avoid wearing the watch on a leather strap in humid conditions and to treat the leather occasionally with appropriate conditioning products.

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