Seiko Prospex SRQ043 Speedtimer Blue Dial Automatic Chronograph oktober 800 vibrations per hour (VPH)

800 vibrations per hour (VPH) and the movement hacks

Dark grey dial with triangle pattern

there is a lot of debate when it comes to the Witching Hour - including what it really is

Clasp: Three-fold clasp with push button release

Dean Martin

Seiko Prospex SRQ043 Speedtimer Blue Dial Automatic Chronograph oktober 800 vibrations per hour (VPH)Prospex 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 distinctive watch provides chronograph measurement of up to 30 minutes of