Cal. 2894-2 nickel-finished lever movement 37 jewels black oeil-de-perdrix decorated dial luminous Arabic numerals luminous hands outer recessed tachymetre scale and 1/5th seconds divisions three engine-turned subsidiary dials for 30 minutes register constant seconds and 12 hours register eccentric window for date circular water-resistant-type case glazed display back secured by eight screws two round chronograph buttons in the band 18K gold Chopard buckle case dial and movement signed