The Bund watch straps was originaly made for german airforce pilots to protect their wrists from heat and cold, and also to absorb sweat to extend the lifespan of the watch. But it got its fame from Steve McQueen when he wore it on his Rolex Daytona.
Watch strap length: 19.1 cm (7.7 x 11.4) Inch : 4.48 x 3.03
Watch strap thickness: 2 mm
Bund pad in size 18 and 20 mm: length 8,2 cm and width 4,5 cm
Bund pad in size 22 mm: length 9,2 cm and width 4,9 cm