If you want a strap that is neither too formal or sporty, casual watch strap is the choice. Strapcode casual watch straps will remain comfortable throughout the day. Strapcode casual watch straps (watch bands in style of NATO, ZULU, Military 2-pieces and camouflage) for Seiko Prospex Sumo SBDC001, SBDC003, SBDC005, SBDC027, SBDC031, SBDC033, SBDC049, SBDC057, SBDC069, SPB029, SPB055, SPB103, SZSC004, SPB125, SPB194, SPB055, SPB192.