Patek Philippe · Complications

Strap for Patek Philippe Complications 4675R

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

Lug width20 mm
Case diameter37 mm
Reference4675R
FamilyComplications
MovementPatek Philippe caliber CH 28-520 Hours, Minutes | Chronograph, Column wheel

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 4675R

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Complications 4675R, seen from the bench

The Patek Philippe Complications ref. 4675R features a column-wheel chronograph powered by the CH 28-520 caliber. The 37mm rose gold case features 20mm lugs. The movement offers hours, minutes and chronograph functions.

Frequently asked questions

What is the lug width of the Patek Philippe Complications 4675R?

The Patek Philippe Complications 4675R features a 20-millimetre lug width. This measurement must be strictly adhered to when selecting a replacement strap, as even minor deviations in tolerance will compromise the fit and security of the timepiece. Accurate measurement is taken as a straight line from the inner edge to the inner edge of the strap seat on the case.

What is the best strap for the Patek Philippe Complications 4675R?

For the 4675R, alligator leather remains the primary choice: its natural, refined grain perfectly complements the clean lines of the rose gold case. Superior-quality alligator with vegetable tanning develops a patina that deepens its visual character. Alternatively, shell cordovan from reputable sources offers a lustrous, compact surface that imparts an understated elegance particularly suited to this model.

How do you change the strap on a Patek Philippe Complications 4675R?

Changing the strap on a Patek Philippe requires specialised tools and precise knowledge of the fixing mechanisms. It is advisable to entrust this operation to an authorised service centre or qualified craftsman to prevent damage to the case. If you possess appropriate tools, ensure the lugs remain scratch-free during the installation of the new strap.

Is an aftermarket strap compatible with the Patek Philippe Complications 4675R?

Yes, an aftermarket strap is compatible provided it is constructed with a 20mm lug width and appropriate thickness. It is essential to verify that the strap is manufactured by qualified craftsmen who respect quality standards and whose workmanship conforms to original Patek Philippe thickness tolerances. Casati Milano provides straps specifically designed for this reference with an 18-month manufacturing defect guarantee.

What is the lifespan of a leather strap for the Patek Philippe Complications 4675R?

A high-quality leather strap with proper tanning maintains optimal performance for 4-6 years of regular wear, depending on frequency of use, climate, and maintenance practices. Leather develops a natural patina over time, acquiring a visual history. Replacement becomes necessary when the leather begins to lose elasticity or exhibits signs of structural failure. Proper care—avoiding prolonged water exposure and protecting against humidity fluctuations—significantly extends useful life.

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