1930s 9ct gold vintage Rolex Oyster Viceroy watch

A 9ct gold vintage Rolex Oyster Viceroy watch. The case measures 29 x 38 mm (including lugs). The case is signed Oyster Watch Co., Geneva-Swiss, RWC Ltd. (Rolex Watch Company Limited) and is marked 9ct gold. The case has a monogram (BH) engraved to the back. The fine quality Rolex Chronometer movement is signed, with a Patented Superbalance, 18 Rubies and timed to 6 positions, with an Oyster Patent crown. The dial has Arabic numerals to the quarters with an outside minute track and subsidiary seconds dial. The dial is signed Rolex Oyster Imperial Chronometre above the centre.