Strap for Classic Date 37 Stainless Steel - Rose Gold / Silver / Bracelet

The lug width of this model is precisely 18 millimetres. This measurement represents the distance between the two side lugs of the case where the strap anchors. It is essential to measure this dimension accurately with a digital calliper before ordering an aftermarket strap, as straps of different widths will not fit properly.

For the Classic, three main categories are recommended. An alligator leather strap or vegetable-tanned calf leather offers aesthetic coherence with the minimalist case design and develops patina naturally over time. A heavyweight cotton or silk-cotton NATO strap maintains the compact proportions without sacrificing practicality. Vulcanised FKM rubber is ideal for sporty or summer use, ensuring water resistance and durability. Your choice depends on usage context and personal style.

To change the strap on a watch with 18mm lugs, obtain a spring bar tool (a specialised removal instrument). Gently insert the flat tip of the tool into the hole located beneath the lower lug to compress the internal spring, then extract the spring end. Repeat on the opposite side. Insert the new strap by securing the spring ends into the corresponding holes. If you are not experienced, contact a specialised atelier such as Casati Milano for professional replacement.

All straps labelled with 18mm lug width are compatible with this model. On milanostraps.it, an extensive selection of artisanal leather, NATO and rubber options are available, specifically catalogued for 18mm sizing. Always ensure the strap has curved or straight end terminals appropriate for your case.

The lifespan of a natural leather strap depends on usage, sun exposure and the quality of tanning. A quality vegetable-tanned calf leather strap, worn continuously but without abuse, typically lasts between 3 and 5 years. Superior quality alligator may last 5–7 years or longer. An intensively worn leather will age more quickly in aesthetic terms (developing patina and usage marks) but will maintain functionality. It is advisable to rotate multiple straps to distribute wear and allow the material to breathe between uses.