Patek Philippe · Calatrava

Strap for Calatrava 5077 Phoenix

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
Reference5077P-056
FamilyCalatrava
MovementPatek Philippe caliber 240 Hours, Minutes
CasePlatinum

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Calatrava 5077P-056

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Calatrava 5077P-056, seen from the bench

The Calatrava 5077P-056 is a platinum dress watch embodying Patek Philippe's foundational principles of classical watchmaking. The 37.00 mm case in solid platinum features an integrated platinum bracelet with hand-finished construction and a 20 mm lug width. Powered by Patek Philippe's manual-wind caliber 240 movement with 18,000 hourly beats, the watch displays hours and minutes with characteristic Calatrava simplicity. The dial features neutral tones with a polished bezel, and the caseback reveals Côtes de Genève decoration and hand-finished components.

Frequently asked questions

What is the lug width of the Patek Philippe Calatrava 5077P-056?

The Calatrava 5077P-056 features a lug width of 20 millimetres. This measurement is critical for strap compatibility and refers to the precise distance between the inner edges of the two lugs on the case. Accurate measurement using a digital calliper is essential to ensure perfect fit of any aftermarket strap.

What is the best strap for the Calatrava 5077P-056 in platinum?

Alligator leather with vegetable tanning represents the most aesthetically coherent choice, as the natural texture of the hide perfectly complements the classical sobriety of this dress watch. Shell cordovan is a highly recommended alternative for those appreciating tactile density and natural patina development. Smooth calf leather in shades of black, dark brown, or burgundy offers traditional elegance. In all cases, vegetable tanning is preferable, allowing the strap to evolve naturally over time.

How do I change the strap on my Patek Philippe Calatrava 5077P-056?

The procedure requires specific tools: a spring bar removal tool and a clean, well-lit work surface. Locate the small spring bars connecting the lugs to the case, gently compress the end of each bar using the dedicated tool, withdraw the lug from the case, and repeat on the opposite side. Then insert the spring bars of the new strap into the case's lug receptacles, ensuring they snap into position securely. If you lack confidence, entrust the operation to a qualified watchmaker.

Can I use an aftermarket strap on a Calatrava 5077P-056?

Yes, provided the strap is specifically crafted with a 20-millimetre lug width. A quality artisanal aftermarket strap, executed in alligator, cordovan, or vegetable-tanned calf, is entirely compatible and may even enhance the watch's aesthetic experience, allowing you to vary colour combinations. Avoid inexpensive or poorly executed straps, which would compromise the presentation of this dress watch.

How long does a leather strap last on a Patek Philippe Calatrava 5077P-056?

An artisanal strap in fine leather, with vegetable tanning, typically lasts 3–5 years under regular use, assuming approximately 5 days per week of wear. Longevity depends on storage conditions, climate (humidity, temperature), sun exposure, and maintenance practices. Vegetable tanning often permits extending the strap's serviceable life through buckle replacement, avoiding complete disposal. Store the strap in a cool, dry location, avoid prolonged water exposure, and occasionally apply a conditioning agent formulated for fine leather.

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