Model: Autavia GMTReference: 2446C GMT Second ExecutionDate: Circa 1969Movement: 17-jewel Valjoux 724 manual windDial: Second execution black, luminous baton hour markers, white outer 1/5th second divisions, white subsidiary dials at 3, 6 and 9 for constant seconds, 30 minute and 12 hour recording, pointed baton steel hands with luminous inserts, red arrow tipped 24-hour hand, white centre chronograph handCase: Polished round, snap on case back, signed crown flanked by twin chronograph pushers, rotating red and blue 24-hour bezel, No.109748Strap/Bracelet: Black racing leatherBuckle/Clasp: Signed stainless steel buckleSigned: Case, dial & movementSize: 40mm