Seiko Prospex Speedtimer Solar Chronograph SSC933 brand_blancpain and manual winding capability

and manual winding capability

this Seiko Prospex "Ice Diver" Sumo SPB177

This reference is built around Grand Seiko's own Ever-Brilliant Steel

double-domed with anti-reflective coating

reliability and excellent readability

Seiko Prospex Speedtimer Solar Chronograph SSC933 brand_blancpain and manual winding capabilityA solar chronograph inspired by 1970s motorsports This dramatic watch is part of a high intensity collection inspired by the 1969 Speedtimer, the worlds first self winding chronograph. The chronograph function measures up to 60 minutes of elapsed time in 1 5 second increments and includes a split time function, while the solar cell, powered by any light source, with no battery change required, provides a 6 month power reserve when fully charged.