Seiko Prospex SFJ005 Speedtimer Solar Chronograph Charcoal Tutima the sporty timepiece makes use

the sporty timepiece makes use of a sunray black dial

basic movement Miyota 821 A

Case back: Pressed Caseback

Featuring a black 45mm dial and super-luminous hands

because of the inherent instability in these conditions of the traditional escapement which regulates the time in all mechanical watches

Seiko Prospex SFJ005 Speedtimer Solar Chronograph Charcoal Tutima the sporty timepiece makes useProspex Speedtimer 40th Anniversary Limited Edition. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. This extraordinary Limited Edition, available only in a controlled production run of 4,000, with the serial number engraved on each caseback, celebrates the 40th anniversary of the first analog quartz chronograph equipped with a 1