Perfect Fit replacement watch band for CASIO ProTrek PRG-270 (3415).
Genuine Resin Band
Stainless Steel Buckle
Color: Black
Fits CASIO:

PRG-270-1
PRG-270-4

Also Fits Casio (another title color):

PRG-270

PRG-270-1A
Lug Width/Band Width: 16mm/25.5mm
MPN: 10450942