412 Flat Stitched Leather Watch Strap a classic look for any watch. Alpine Flat Stitched Leather Watch Bands are available in black, brown ,red, pink, blue, burgundy, grey, white, light brown, green, orange and beige. Lug/Buckle Measurements: 12mm/10mm, 14mm/12mm, 16mm/14mm, 18mm/16mm, 20mm/18mm, 22mm/20mm.