by craftbits (shellie wilson)
What you need
Strip of navy-blue leather at least 6 1/2 inch by 2 and a half inch (15x 5cm)
Red and blue silk sewing thread
Strip of red leather at least 10 inch by 1/2 an inch (25 x 1cm) Craft glue
1/2 an inch (1cm)wide buckle
Make a template from your watch with a quarter inch allowance and use this to carefully cut out a shape from navy-blue leather.
Stitch around the shape, as close to the edge as possible, with the red silk thread. Re-trim the edges if necessary with a very sharp craft knife.
Trim one end of the red leather strip into an angled point, then carefully stitch down each side and around the pointed end with navy-blue thread. Re-trim edges if necessary.
Make a hole using a large darning needle, about 3 inch from the straight end of the strap, slip buckle onto strap and push buckle prong through this hole.
Trim end of strap to tapered shape and stick down behind buckle with craft glue.
Place strap on wrist to gauge position for holes in strap. Make holes with a large darning needle.
Carefully cut half an inch wide strips across main navy-blue shape as shown in picture.
Thread red strap through these and through lugs of watch.