Casio Men's Watch PRT-B50-1 PRO TREK Resin Band Mineral Glass VALENTINO and for the first time

and for the first time adopt a double-layer bezel design

Hand indication of pressure differential (±10 hPa)

and seven-hand chronograph timekeeping

The new series of CASIO F-91W is designed with retro styling

Casio Men's Watch PRT-B50-1 PRO TREK Resin Band Mineral Glass VALENTINO and for the first timeFeatures PRO TREK's ability to combine the best that technology has to offer and innovative designs has made it the timepiece of choice for climbers, hikers, campers, and other outdoor enthusiasts. Now the PRT B50 Series adds Bluetooth capabilities that enable data communication with a smartphone running the PRO TREK Connected app, for the ultimate in ease of use. The Quad Sensor system uses compact sensors that make it possible to pack compass,