SRQ039 6N43 this landmark automatic diver's watch

this landmark automatic diver's watch

with screwdown crown

this distinctive timepiece features a dial inspired by the pop culture and fashion favored by young Tokyo residents of the time

the 24-jewel movement

tri-fold push button release clasp with secure lock and extender

SRQ039 6N43 this landmark automatic diver's watchProspex Speedtimer Mechanical Chronograph. 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 exceptional watch provides chronograph measurement of up to 30 minutes of