Seiko Prospex Speedtimer Limited Edition SRQ045 collection_equestrian Caliber 9SA4 makes its debut

Caliber 9SA4 makes its debut in a new dress watch belonging to the Evolution 9 Collection

the filigree swan-neck fine adjustment and the skeletonised rotor with double-G logo

thereby creating the first BR 05 auto self-winding models to feature a 41-mm case

while the helium escape valve has been given a new conical design

these models maintain constant Bluetooth® connection with a smartphone running the G-SHOCK Connected app to obtain accurate time information from an on-line time server for automatic time adjustment

Seiko Prospex Speedtimer Limited Edition SRQ045 collection_equestrian Caliber 9SA4 makes its debutA limited edition celebrating Seiko's long legacy in athletics Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Celebrating Seiko's first precision chronographs, developed for international sporting competitions in 1964, as well as its 1969 introduction of the world's first automatic chronograph, this Speedtimer Chronograph provides measurement of up to