Fine and very rare 18K gold Swiss Gruen minute repeater split second chronograph
and register circa 1920.
Fine sunk white enamel dial with bold black markings and blued steel hands.
Subsidiary dial at 12:00 to indicate the elapsed minutes with insignificant hairline
running to the center hole.
Plain polish case with buttons in the crown and the band to activate the two
chronograph hands and recessed slide to activate the minute repeater.
When activated, this watch chimes the exact time using different chime tones
to designate the hours, quarter hours, and minutes.
Fully adjusted "Extra" special quality nickel movement with an unusually high 41 jewels.
With the chronograph works visible on the back of the movement.
