Patek Philippe · Calatrava
Strap for Calatrava 5089 Tsuba – Oranges and Flowers
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Calatrava 5089G-125
Selected for the 20 mm lug width · workshop selection
Matte Black Alligator Strap€195
Millennium Green Alligator Strap — Minimal Stitching€149
Matte Black Alligator Strap — Minimal Stitching€149
Horween Cordovan Brown Watch Strap€145
Green Cordovan Strap€145
The Calatrava 5089G-125, seen from the bench
Frequently asked questions
What is the lug width of the Patek Philippe Calatrava 5089G-125?
The lug width of the Calatrava 5089G-125 is 20 mm. This measurement is critical for selecting a compatible strap: measure the space between the two lugs of the case, from inner wall to inner wall, using a digital calliper. Accurate measurement ensures the strap fits perfectly without lateral play or constriction.
What strap material is most suitable for the Patek Philippe Calatrava 5089G-125?
Alligator is the classic choice, as its sober and orderly grain maintains the constructive elegance of the Calatrava. Vegetable-tanned calf leather is the ideal alternative if you desire suppleness, tactile adaptability and a natural patina that develops over time. For absolute durability, shell cordovan is a prestigious rarity. Avoid synthetic straps: the 5089G-125 deserves authentic materials.
How do I change the strap on my Patek Philippe Calatrava 5089G-125?
Strap replacement is performed using a spring bar tool. Position the watch face-down on a soft, protected surface. Insert the tool tip into the small lateral access hole of the lug, gently lift the elastic pin (spring bar) and slide out the old strap. Insert the new strap by aligning both holes with the lugs and release the pin carefully. If you lack confidence in this operation, entrust it to a professional: Casati Milano offers this service at their atelier.
Can I use an aftermarket strap on my Calatrava 5089G-125?
Yes, you can use a quality artisanal strap with 20 mm lug width, provided it is made from noble materials (alligator, calf, shell cordovan) and constructed with rigorous craftsmanship. A high-quality aftermarket strap does not diminish the value of the Calatrava; rather, it allows you to personalise the watch while maintaining aesthetic coherence with the movement and case. We recommend entrusting yourself to specialised craftsmen such as Casati Milano, who guarantee constructive quality and long-term reliability.
How long does a leather strap last on a Patek Philippe Calatrava 5089G-125?
The lifespan of a leather strap depends on usage and maintenance. A quality alligator or calf strap, used daily, offers 3–5 years of reliability before requiring minor interventions (re-stitching, waterproofing). Shell cordovan, thanks to its naturally more resilient structure, can last 7–8 years. The ageing of leather is not deterioration, but a desirable aesthetic transformation. We recommend storing the strap in environments with controlled humidity and avoiding prolonged water exposure. Casati Milano offers an 18-month warranty on manufacturing defects and maintenance services at the atelier.
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
