Selecting the leather is only the first step in the process. The true accomplishment lies in the expertise required to manufacture the strap. Close to 50 steps are necessary to produce this precious piece that enhances our timepieces: cutting, skiving, dyeing, polishing... We had the opportunity to follow the manufacturing process, and we summarize it in 10 steps:

1. Leather cutting: The leather is cut to the required dimensions for the strap, usually 20-25 cm. For small-scale production, a special cutter or punch is used, but for Mu:n straps, we utilize a laser machine.

2. Marking the stitching points: The stitching points are marked on the leather using a pen or marking tool. The stitching points are typically evenly spaced on the strap for a uniform appearance.

3. Punching the stitching holes: The stitching holes are punched using a specialized punch tool. The holes are placed along the marking lines to ensure the stitching points are even and aligned.

4. Assembling the different layers of the strap: Mu:n straps are composed of several layers of leather, which are assembled and glued in place. Intermediate layers of synthetic materials are also added to reinforce the strap's strength and durability.

5. Sewing the edges: The two edges of the strap are then assembled and sewn together to form the strap. The sewing is done using a special sewing machine for leather. The sewing thread used is usually nylon or waxed cotton for increased strength.

6. Gluing the edges: After sewing, the strap edges are glued to reinforce the buckle area and prevent the leather from fraying. A strong, water-resistant adhesive is used to increase the strap's durability. This delicate step is done by hand by our partner SIS. Adhesives used for leather are typically latex-based, epoxy-based, or polyurethane-based, which have strong adhesion and good resistance to water and weather.

7. Adding the loops: The loops are added to the strap using a special sewing machine. The loops can be made of metal or leather and are sewn in place to secure the strap.

8. Attaching the buckle: The buckle is then attached to the strap using a special sewing machine. The buckle can be made of metal or leather and is sewn in place to secure the strap.

9. Applying the lining: If the strap has a lining, it is cut to the strtap's dimensions and glued in place using a special leather glue.

10. Finishing the strap: Once the strap is assembled and glued, the edges are smoothed to give a professional and pleasant touch. Layers of cream or wax can be applied to protect and maintain the leather over time.