Regular price $ 3,000.00

Prospex Speedtimer Mechanical Chronograph
Automatic with manual winding capability
Celebrates 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
Case diameter: 42.5mm 
Vibrant blue dial with LumiBrite hands and markers
Screwdown see-through caseback
Tri-fold push button release clasp
Chronograph measurement of up to 30 minutes of elapsed time in 1/8-second increments
Proprietary 8R46 movement includes a column wheel and vertical clutch mechanism allowing for smooth, stutter-free movement of the chronograph hand while providing longer wear and efficiency, and maintaining the power reserve better during chronograph operation

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