Perfect Fit replacement watch band for CASIO ProTrek:

PRG-300 (3443)
PRW-3000 (3414)
PRW-3100 (3444)

Genuine Resin Band
Stainless Steel Buckle

Color: Black
Buckle color: black

Fits CASIO:
PRG-300
PRG-300-1
PRG-300-1B
PRW-3000
PRW-3000-1
PRW-3000-1A
PRW-3000-1AJF
PRW-3100Y
PRW-3100Y-1

PRW-3100Y-1B
Also Fits Casio Series:

PRG-300 (3443)

PRG-330 (3443)

PRW-3000 (3414)

PRW-3014 (3414)

PRW-3100 (3444)

PRW-6000 (5365)

PRW-6014 (5365)

PRW-6100 (5470)

PRW-S3000 (3414)

PRW-S3100 (3444)

PRW-S6000 (5365)

PRW-S6100 (5470)

 
Lug Width/Band Width: 16mm/20mm

MPN: 10443951