A Gentleman's gold 'Instantaneous' perpetual calendar wristwatch by Daniel Roth

A Gentleman's gold 'Instantaneous' perpetual calendar wristwatch by Daniel Roth, the signed skeletonised dial with black Roman numerals, three subsidiary dials indicating date, day and month, blued steel hands, signed 27 jewel automatic movement, barrel-form case with stepped bezel and skeleton back, caseback signed and numbered 119.X.40. 16301, Numero 33, case 48mm, on a blue leather signed strap with gold buckle clasp, box and papers