Gruen Precision Automatic 24 hour dial "World Timer Traveller" model with 17 jewels Swiss made Gruen automatic calendar movement, inner rotating world time bezel, factory original gold tone band, original factory box and papers
17 jewels. Swiss made Mechanical Automatic (Powered by wrist motion). Gruen Cal.731CA.
24 hour format ( military ) hand. Date calendar, window display.
10 microns Gold electroplated.
Uni-Directional rotating, ratcheted, World cities.
Day and night marking, light cream and brown colors.
Black varnished. Luminous filled.
Solid Stainless steel. Screw-down style ( threaded ).
Solid Stainless steel. Gold Electroplated.
48.00mm. 38.00mm. 13.00mm.
Original factory box. Original factory papers. Production date circa 1980's.