SRQ045 Enamel screwdown crown and see-through caseback

screwdown crown and see-through caseback

the silver dial features a day/date calendar

Equipped with automatic technology that you control with every motion

with LumiBrite accents on the black ceramic uni-directional elapsed timing bezel

An updated classic

SRQ045 Enamel screwdown crown and see-through casebackProspex Speedtimer Mechanical Chronograph Limited Edition. 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, available only in a limited production