Jewellery, Watches, Antiquities and Objects of Vertu

A Seamaster Professional stainless steel chronograph wristwatch, by Omega, the wave patterned blue dial signed, with luminous spot hour markers, outer chronograph seconds scale, three subsidiary dials for seconds and chronograph minutes and hours, and date aperture at three o’clock, the rotating bezel with 0-60 scale, automatic movement, signed steel case with screw down crown, two push chronograph buttons and helium escape valve, numbered ‘48609500’, to a stainless steel track-link bracelet strap with signed clasp, in signed Omega box and with accompanying paperwork, dial diameter 30.5mm. £1,000-£1,500

The unidirectional rotating bezel marked for 0-60 minutes is designed for use in controlling diving and decompression times; before diving the luminous triangle of the bezel must be aligned to the minute hand, which will then indicate the number of minutes elapsed.