3033. An unusual 18K gold and enamel openface keyless chronograph watch with Pulsation scale Date: Circa 1920 Movement: Nickel lever, screwed balance, column wheel chronograph Dial: White enamel, black Arabic numerals, outer red scale for pulsation, inner 5ths division and minute track, subsidiary dials at 12 and 6 for consant seconds and 30 minute recording, blued steel spade hands Louis XV hands, centre chronograph hand Case: Polished, hinged back and cuvette, back with fine monogram enamel of RVR, no.216655 Size: 49mm Weight: 85,98g