Case: three body, curved lugs, olive shaped buttons chronograph, snap on case back, hinged gold cuved.Dial: enamel white with Arabic numerals, subsidiary dials for the seconds and minutes, outer minute/seconds track. Spade hands.Movement: Cal.310-82, rhodium plated, 21 jewels, straight line lever escapement, monometallic balance,flat balance spring.Dial, case and movement signed.Diam:38 mm Thickness 9 mmDial case and movement in quite good condition.