Seiko Prospex Black Series Speedtimer Solar Chronograph 192740762154 30-minute and 12-hour totalizers

30-minute and 12-hour totalizers

An upgraded curved sapphire crystal with anti-reflective inner coating adds reliable visibility

you won’t need to say a word to make a statement

SBGA427 comes with a crocodile leather strap and three-fold clasp with push button release

Seiko Prospex Black Series Speedtimer Solar Chronograph 192740762154 30-minute and 12-hour totalizersRoyal Jewelers is an authorized Seiko dealer in the Boston area and offers the Seiko Prospex Black Series Speedtimer Solar Chronograph with Seiko's 3 year warranty. 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 dramatic watch is part of a high intensity collection inspired by the 1969 "Speedtimer," the world's first self