It was made using New Old Stock ESA 9158 Dynotron Swiss Electronic Movements produced around the early 1970s
I believe these figures are too low
Pictured in Rene Rondeau's book "The Watch Of The Future" on page 163
and inside marked Keystone
with ORIGINAL CHAMPAGNE FINISH
Hamilton Chrono-Matic "A" Caliber 11 Automatic Panda Watch BRAND_Aquadive It was made using NewOffered is this stunning Hamilton Chrono Matic "A", the world's first automatic chronograph introduced in 1969. The watch is Fully Serviced. It winds, sets, and runs great. It keeps excellent time, and the chronograph feature works flawlessly. The Caliber 11 was a collaborative effort between Hamilton, Heuer, Breitling, Buren (owned by Hamilton at the time), and Dubois Depraz. Each company released a version of this movement, and it can be easily