Seiko 7T59 Age of Discovery 1/100 Chronograph Demonstration

Seiko 7T59 Chronograph Demonstration. Seiko Age of Discovery 7T59-7A30 Ref. SHS032J World's First 1/100 Second Analog Quartz Chronograph. This is 1/100 Sec. Chronograph Demonstration of the Seiko 7T59 Movement. * Check Chronograph Hands are Reset to Zero Position. * Pull out Main Crown to first click. Press 8 o'clock pusher for two seconds ...