cal. 13 manual winding nickel lever Sowind 99RJ movement 20 jewels mono-metallic compensation balance within a one-minute tourbillon carriage • silvered guilloché dial applied dot indexes and Arabic numerals subsidiary dial for 70 hour power reserve indication • 18k pink gold polished case case secured by 6 screws • case dial and movement signed • with an 18k pink gold JeanRichard buckle