ROLEX Ref 2168 Steel pocket watch, radiant silver dial with Arabic numerals and baton hour markers, minute track, small second hand at 6 o'clock. Mechanical movement, pendant winding, anchor escapement, Breguet balance spring. Dial, movement and caseback signed. Numbered caseback. Circa 1930, ''25 World's Records''. (scratches). Diameter: 45.5 mm.