Seiko Prospex Speedtimer Mechanical Chronograph SRQ043 case_gold Altimeter Function: A built-in pressure

Altimeter Function: A built-in pressure sensor measures barometric pressure

it incorporated an automatic mechanical caliber and delivered 150m water resistance

Uemura’s ascents of these five mountains are commemorated with this new reference SLA069

Like a tailor training his practiced eye on every fold of fabric

Seiko Prospex Speedtimer Mechanical Chronograph SRQ043 case_gold Altimeter Function: A built-in pressureA 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 distinctive watch provides chronograph measurement of