Patek Philippe · Twenty~4
Strap for Twenty~4 4920 Rose Gold / Brown
Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.
Integrated bracelet
The Patek Philippe Twenty~4 4920R-001 is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.
The Twenty~4 4920R-001, seen from the bench
Frequently asked questions
What is the lug width of the Patek Philippe Twenty~4 4920R-001?
The lug width of the Patek Philippe 4920R-001 is 20 millimetres. This dimension, also called lug width, represents the distance between the two strap attachment pins and must correspond exactly to ensure secure fitting without any play. Measuring the lug width accurately with a digital calliper is essential before selecting a compatible strap.
Which strap should I choose for the Patek Philippe 4920R-001?
For the Patek Philippe 4920R-001, Nile crocodile alligator of fine quality is recommended, combining elegance with durability and allowing a chromatic evolution parallel to the case's rose gold. Alternatively, shell cordovan in cognac or warm vegetable-tanned calf offer a more contemporary character. Avoid synthetic straps that would contrast with the design's austerity. 20mm compatible straps are available in milanostraps.it's specialised collection.
How do I change the strap on my Patek Philippe 4920R-001?
Strap changing requires a specialised tool to remove the pins or spring bars, available from authorised retailers. Position the watch on a padded base and work with extreme care, as rose gold is sensitive to scratching. If you lack experience, consult a qualified watchmaker or Casati Milano's service, which guarantees professional workmanship with direct supervision.
Is a 20mm aftermarket strap really compatible with the 4920R-001?
Yes, provided the strap is specifically dimensioned at 20 millimetres lug width and fitted with pins or attachments of the same diameter. A custom-made strap crafted to correct technical specifications is fully compatible and may even represent an aesthetic upgrade over the original bracelet. milanostraps.it supplies <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">certified 20mm straps tested for this model</a>.
How long does a leather strap last on a daily-wear Patek Philippe?
A high-quality alligator or calf strap, subjected to moderate daily use, maintains structural integrity for 5–7 years. Durability depends on exposure to moisture, direct sunlight, and frequency of water contact. Leather is hygroscopic and ages naturally, developing creases and thinning. Casati Milano offers an 18-month guarantee against manufacturing defects and can advise on periodic maintenance, including hydration with specific leather balms.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
