OMEGA, LOT OF TWO NIELLO AND METAL POCKET WATCHES, SWISS 1915 lot consisting of two Omega watches, the first: 48 mm diameter niello case, white enamel dial with black and red Arabic numerals, small seconds at six o'clock, pear-shaped hands, gilt movement, watch currently in working order; the second: 50 mm diameter metal case, white enamel dial with black and red Arabic numerals, small seconds at six o'clock, gilt movement, watch currently in working order, OMEGA, LOT OF TWO OPEN FACE POCKET WATCHES IN METAL AND NIEL, SWITZERLAND 1915