3021. An 18K gold openface keyless split seconds chronograph watch Date: Circa 1910 Movement: Nickel lever, bi-metallic compensation balance, adjusted, No.10284 Dial: White enamel, black Arabic numerals, outer 5th second and minute register, subsidiary dial for constant seconds, gilt spade hands, centre blued steel split second chronograph hands Case: Engine turned hinged back and cuvette, central monogram, No.10284 Size: 45mm Weight: 74,25g