Amazon.com: SUIYUAN 16mm Solid Stainless Steel Strap for Casio for PROTREK for PRW-3000 for 3100 for 6000 for 6100 Folding Buckle Men Sport Replacement Watch Band (Band Color : Black 16mm) :
Casio Pro Trek PRW-6100 Field Composite Bracelet & NATO Adaptor Review - Perth WAtch Suppl #10 - YouTube