A dual time pocket watch Circa 1880 3.8 cm dial diameter, 6 cm high, 5 cm case diameter. A dual time pocket watch. Circa 1880. Silver gents hunter, engine-turned case with shield surrounded by foliate edge on front cover, short pendant, round bow. Inside inner back cover marked "Fine Silver" and "ARGENT", (from the Latin argentum meaning silver), and the number 17138. White enamel dial, two hour dials and a seconds dial. Roman hour numerals and Arabic seconds numerals. Dial also bears the number 17138 in black. The hands are key operated through the back of the inner case; two of the apertures are marked "Hands" for the two hour dials. The third aperture is for winding the movement with a key. Three-quarter backplate, cylinder escapement. Brass three-arm balance. No signature or. number on the movement. Reference: This watch can be set to two different time zones , so could be used by someone travelling from one country to another, to enable the traveller to tell the time in his country and also the time in the country in which he is travelling. It could also be used by someone who had offices or factories in two different countries. Provenance: Purchased at an E. C. Dean & Sons auction at Wynnum, Queensland prior to 1972. Dimensions: 3.8 cm dial diameter, 6 cm high, 5 cm case diameter