Strap for 1815 Up / Down White Gold / Blue

The lug width of the 221.027 is 19 millimetres. This measurement represents the distance between the case lugs and determines compatibility with any aftermarket strap. To verify the lug width accurately, use a digital caliper to measure the distance between the pin holes after removing the original strap.

For a timepiece of this calibre, we recommend three primary options: alligator (particularly in black or burgundy tones) which naturally complements white gold with striking contrast; vegetable-tanned calf leather for those who appreciate natural patina development over time; and shell cordovan, which offers unique chromatic richness. Your choice should reflect your intended usage and personal aesthetic preference.

You will need a pin remover tool (pelikan) and a stable work surface. Insert the pin remover into the lateral holes of the case to gently extract the pins. Remove the original strap and insert the pins into the new 19mm strap, then secure them firmly in the case holes. Verify that the strap is perfectly aligned before wearing the watch.

Yes, any strap with a 19-millimetre lug width is compatible with the 221.027. Milanostraps.it offers a carefully curated collection of artisanal straps in various leathers (alligator, calf, shell cordovan) and finishes, specifically sized for this lug width. You may select from ready-made models online or commission a bespoke strap through the Casati Milano atelier.

Lifespan depends on leather quality and daily use. A high-quality alligator or shell cordovan strap, with regular maintenance (gentle cleaning and annual conditioning), maintains structural integrity for 4–6 years. Vegetable-tanned leather ages visibly but offers comparable durability, developing a patina that increases aesthetic value. High-density rubber straps provide superior longevity (7–10 years) with minimal maintenance requirements.