Cal. 11.51 nickel-finished lever movement 29 jewels mono-metallic balance adjusted in 5 positions finely engraved skeletonised gold rotor the cloisonné enamel dial depicting a landscape scene with silvered minute divisions pierced silvered diamond hands centre seconds aperture for date in circular case with stepped bezel and hinged dust cover extended lugs screw on glazed display back together with an 18k white gold Blancpain buckle case and movement signed