cal. 727 manual winding nickel lever movement 17 jewels mono-metallic compensation balance • bi-colour champagne and black dial applied faceted gold baton indexes subsidiary dials for constant seconds 30-minute and 12-hour registers outer minute and 1/5 seconds divisions luminous gold baton hands • 18k yellow gold brushed and polished Oyster case screw-down crown pushers and case back gold bezel calibrated for 200 units • case dial and movement signed • with a gold plated Rolex buckle