Technical Archive

Patek Philippe
Calatrava 5089G-078— lug 20mm

Patek Philippe Calatrava 5089G-078: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Calatrava 5089 Leopard at Sunset

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Patek Philippe 5089G-078
Lug Width
20 mm

The essential strap measurement.

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Reference

5089G-078

Movement

Patek Philippe caliber 240 Hours, Minutes

The Heritage

The Calatrava represents Patek Philippe's classic watch collection, characterized by essential lines and time-only functions. Reference 5089G-078 is powered by the ultra-thin automatic caliber 240 with hour and minute indication. The watch features 20mm lugs and maintains the traditional design of the Calatrava line.

FAQ

What is the lug width of the Patek Philippe Calatrava 5089G-078?

The Patek Philippe Calatrava 5089G-078 features a lug width of 20 millimetres. This specification is precise for this particular model and is essential for identifying compatible straps. Accurate measurement is performed by measuring the space between the attachment lugs using a digital calliper, not the case itself.

Which strap material is most suitable for the Calatrava 5089G-078?

Alligator leather represents the ultimate formal choice for the Calatrava 5089G-078. The granular texture pairs perfectly with the classical proportions of the white gold case, and the patina that develops over time enriches the watch's character. Shell cordovan is an excellent alternative for those seeking initial rigidity and natural curvature with wear. Brown calf leather offers warm chromatic contrast instead.

How do you change the strap on a Patek Philippe Calatrava 5089G-078?

Strap replacement requires a specialised tool to remove the attachment pins (spring bars). It is advisable to entrust this operation to a professional watchmaker to prevent damage to the case. Any compatible 20mm strap inserts easily into the two horizontal lugs positioned at 3 o'clock and 9 o'clock once the previous pins are removed.

Can an aftermarket compatible strap be used on the Calatrava 5089G-078?

Yes, it is entirely possible to use a high-quality aftermarket strap on the Calatrava 5089G-078, provided the lug width is strictly 20 millimetres. A handcrafted premium leather strap, appropriately tanned, does not compromise the watch's value or appearance, but rather personalises it according to the owner's preferences and daily use.

How long does a natural leather strap last on a Patek Philippe Calatrava?

A high-quality leather strap, such as vegetable-tanned alligator or shell cordovan, typically lasts 3-5 years of daily use before requiring replacement. Durability depends on humidity exposure, perspiration, and frequency of use. Calf leather straps tend to age slightly faster. Proper maintenance and storage in a dry environment 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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By appointment only · Milan

The atelier's website: casatimilano.com