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Prospex Speedtimer 1/100 Second Solar Chronograph

Inspired by Seiko's – and the world’s – first analog quartz chronograph, which featured a 1/100-second stopwatch

Features the new solar chronograph 8A50 movement, with precision stopwatch timing to 1/100 second, measurement up to 60 minutes of elapsed time, and a split time function

Powered by light energy – no battery change required

6-month power reserve once fully charged

White dial with four inset black subdials, including a separate time dial

LumiBrite hands and markers

Curved sapphire crystal with anti-reflective coating on the inner surface

Concave top hammer-shaped pushers for easy stopwatch timing

Screwdown caseback

Case diameter: 42.0mm

Stainless steel case and bracelet

Tri-fold push button release clasp

Water-resistant to 10 bar, 100 meters (330 feet)

Caliber 8A50

This product qualifies for free 2-day shipping in the U.S.

Shipping usually takes 2-3 business days. Your order will most likely arrive within this time window, but it’s possible that you’ll experience some delay due to the global response to COVID-19 across all couriers. Rest assured we are working around the clock to ensure your order is packaged and shipped from our fulfillment facilities as quickly as possible.

If you have any questions about your order please contact mywatchcdm@outlook.com.

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