Strap for Calatrava 5177G Italian Scenes / Ponte Vecchio

The lug width of the Calatrava 5177G-011 is 20 millimetres. This is the distance between the two spring bars that attach the strap to the case lugs. Precision is critical, as even a 0.5mm difference will create play or prevent proper installation.

For white gold, alligator or shell cordovan are the most harmonious choices. Both offer elegant grain and a patina that ages beautifully. Alternatively, vegetable-tanned calf leather in burgundy or dark brown provides restrained colour whilst maintaining maximum versatility.

The strap is changed by extracting the spring bars with a specialised, delicate tool. If inexperienced, consult a certified watchmaker. The passant width of the new strap must be compatible with the case's 20mm lugs, otherwise the strap will not secure properly.

No. The Calatrava 5177G-011 requires a strap with precise 20mm lug width. Many 'universal' straps are manufactured at 19mm or 20.5mm. An incompatible strap causes vibration, risks detachment, and compromises the watch's aesthetic. Consult specialised manufacturers who respect dimensional tolerance.

A quality leather strap (alligator, shell cordovan, vegetable-tanned calf) lasts 5–8 years of daily wear. Lifespan depends on sun exposure, humidity, and frequency of strap changes. Signs of ageing (shading, patina) are desirable in noble leathers; replacement becomes necessary only if the leather cracks or the passant fails.