Black brass Rolex dial, compatible with the Oyster Chronograph, reference 4500, dating approximately to the period 1945–1947. Bicompax configuration with a small seconds sub-dial at 9 o’clock and a 30-minute chronograph counter at 3 o’clock. It features applied Arabic numerals, a peripheral tachymeter scale, and a telemetric scale graduated in kilometers. This listing refers exclusively to the dial.
