Strap for Villeret Manuelle Piece Unique Shakudō Grifin

The lug width (ansa width) of the Blancpain Villeret 6615-3616-55B -1 is 23mm. This specification is determined by the case geometry and represents the distance between the two horizontal attachment points. A maximum tolerance of ±0.5mm is recommended to ensure a correct fit without lateral play and to preserve the aesthetic proportion between case and strap.

For this rose gold reference with skeleton movement, we recommend Mississippi alligator (belly cut) in dark brown, black, or burgundy tones. The regular scale texture creates a visual dialogue with the movement geometry. Alternatively, vegetable-tanned calf leather with evolving patina offers versatility and longevity, whilst shell cordovan guarantees natural hardness and a patina that improves over years. Explore our 23mm compatible straps online or contact Casati Milano for a personalised bespoke solution.

Strap replacement requires a spring bar tool (with rounded flat tip) and a well-lit work surface. Position the watch with the lug facing upward, gently insert the spring bar tool tip into the lateral hole of the lug, lift with steady pressure until the spring releases, then extract the pin. Repeat for the opposite lug. Insert the new strap by aligning the holes, then press the pin until the spring snaps into position. We recommend this operation be performed by a professional to avoid scratching the rose gold case.

Yes, provided the aftermarket strap strictly respects the 23mm lug width specification and is constructed with excellent materials (alligator, calf, shell cordovan from certified sources). A poorly made aftermarket strap or one with incorrect tolerance compromises both aesthetics and durability. Milanostraps offers a curated selection of premium compatible straps in various finishes and materials. For a bespoke experience, Casati Milano crafts custom straps with personalised consultation and an 18-month manufacturing warranty.

A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) typically lasts 3–5 years with daily wear, depending on frequency of use, humidity exposure, and maintenance. Vegetable-tanned leather tends to age better, developing patina and softening gradually. Factors that reduce lifespan: frequent perspiration, prolonged water immersion, extreme temperatures, constant flexing. To extend strap life, we recommend alternating watches, avoiding extended wetting, and occasionally applying neutral protective balm. A worn strap can be refurbished or replaced with ease without compromising the watch's value.