With nickel-finished lever movement 35 jewels pierced and engraved rotor the silvered dial with applied baton numerals pierced hands visible one minute tourbillon carriage with mono-metallic compensation balance at 12 sector for 7 day power reserve at 9 large double windows for date at 6 the circular water-resistant-type case with glazed display screw back stepped bezel together with an 18k white gold Blancpain deployant clasp case dial and movement signed 38 mm. diam.