ZENITH - a Vintage stainless steel 'Tropic' Pilot Surf autom... ZENITH - a Vintage stainless steel 'Tropic' Pilot Surf automatic bracelet watch, ref. 01-0022-362, circa 1970s, Tropic dial with silvered baton hour markers, sweep centre seconds hand and date aperture, 23 jewel movement with calibre 2572PC, case width 37mm, working order