SEIKO PROSPEX SFJ001 COUTURA Strap: Dark and light gray

Strap: Dark and light gray patterned silicone strap

Every detail — from the Back to the Future logo on the clasp to the special VHS-style packaging — has been designed with fans and collectors in mind

With its polished silver-tone dial

ensuring long-lasting comfort and resilience

Step reminder (display and beep notification when activity is low)

SEIKO PROSPEX SFJ001 COUTURA Strap: Dark and light grayProspex Speedtimer Solar Chronograph Prospex Speedtimer 1 100 Second Solar Chronograph. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. Featuring the new solar chronograph 8A50 movement, this exceptional watch further advances the high intensity collection with inspiration from Seiko's and the worlds first analog quartz