Strap for Calatrava 5077R Tropical Plants / Strelitzias

The lug width of the Calatrava 5077/100R-037 is 18 millimetres. This measurement is critical for strap interchangeability: an incorrect lug width would damage the case. We recommend always measuring the lugs with a digital calliper before ordering a strap, positioning the tool between the case lugs in the mid-section.

For a Calatrava in 18-carat rose gold, alligator remains the classic choice: its natural texture and rectangular pattern create ideal aesthetic harmony. Alternatively, shell cordovan offers superior durability and a patina that evolves over time. Vegetable-tanned calf leather represents a contemporary compromise for those seeking greater comfort and natural tones that enhance the gold's lustre.

Strap change is performed by removing the case lugs using a dedicated spring bar removal tool. Insert the tool into the small lateral hole of the lug, applying gentle pressure to release the internal spring. Never force the operation: incorrect handling damages the case. We recommend entrusting the procedure to a professional watchmaker to avoid scratches on the gold case.

Yes, any strap fitted with an 18-millimetre lug width is compatible with the 5077/100R-037. Choosing a quality aftermarket strap allows personalisation of the watch according to seasons and occasions, whilst maintaining reversibility. Always verify that the strap is designed for luxury watches and that construction is solid: a poor-quality strap damages the aesthetic and value of the timepiece.

A quality leather strap (alligator, shell cordovan, calf leather) typically lasts 5-8 years with ordinary use and correct maintenance. Longevity depends on usage intensity, water exposure and humidity, and storage conditions. A shell cordovan strap, thanks to the natural hardness of the leather, tends to last longer. With Casati Milano, you receive an 18-month warranty on manufacturing defects, guaranteeing protection from poor craftsmanship.