Patek Philippe
Twenty~4 4909/50R-001
Patek Philippe Twenty~4 4909/50R-001: strap made to measure on the watch at the Casati Milano atelier, by appointment.
Technical Specifications
Patek Philippe 4909/50R-0014909/50R-001
Patek Philippe caliber 16-250 Hours, Minutes
The Heritage
The strap for this watch is made to measure
On the Patek Philippe Twenty~4 the bracelet is drawn as part of the case: no catalogue strap will fit. In the atelier we take the measurements on the watch itself and build the strap on the piece — that is the work of Casati Milano.
Book a consultation →FAQ
Can a strap be fitted to the Patek Philippe Twenty~4 4909/50R-001?
The bracelet of the Twenty~4 4909/50R-001 is an integral part of the case design: the attachment is not a standard straight-lug system, but a proprietary geometry that is born with the case itself. A bespoke strap is nonetheless achievable: this is the work of the <a href="/pages/casati-booking">Casati Milano</a> atelier, which builds the strap directly on the client's watch, taking the actual measurements of the connection point.
How does the bespoke strap-making process work for this model?
The client brings their 4909/50R-001 to the atelier during a dedicated appointment. The craftsman records the real measurements of the attachment geometry, discusses the choice of leather, colour, buckle and stitching style, then builds the strap from scratch around those specifics. No pre-existing template is used: each piece is unique and belongs to that precise watch.
Which leather best suits the character of the Patek Philippe Twenty~4 4909/50R-001?
The rose gold case calls for leathers that honour its warm luminosity: glossy porosus crocodile in rosé, burgundy or ivory tones creates chromatic continuity with the metal, while black or midnight-blue box calf offers a sober, sophisticated contrast. For a more daytime register, soft nappa calf in neutral shades such as sand or powder pink keeps the watch light without losing refinement. In all cases, the leather should be slim and the stitching hand-pulled.
How long does a well-made bespoke strap last?
A strap built with first-grade leather, hand-pulled single stitching and careful artisan finishing lasts considerably longer than an industrial equivalent under the same conditions of use. With ordinary care — avoiding prolonged moisture and periodically conditioning the leather — a quality crocodile or box calf strap can accompany the watch for many years, developing over time a personal patina that deepens its character.
When was the Patek Philippe Twenty~4 launched and what movement does it carry?
The Twenty~4 was launched by Patek Philippe in 1999 as the Maison's first timepiece conceived explicitly for the modern woman, to be worn at every moment of the day. The reference 4909/50R-001 houses the in-house calibre 16-250, a manually wound mechanical movement indicating hours and minutes: a technically precise solution, consistent with the clean design of the rectangular rose gold case.
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 →By appointment only · Milan
The atelier's website: casatimilano.com