3055. 3055Y Cartier. An 18K gold manual wind rectangular wristwatch Cartier. Rectangular wristwatch in 18K (750) yellow gold mechanical movement Model: Tank Louis Cartier Reference: 78086 Date: Purchased 5th July 1984 Movement: 17-jewel Cal.78-1 manual wind Dial: White, black Roman numeral hour markers, secret signature at 7, black inner minute track, blued steel sword hands Case: Brushed and polished rectangular, back secured by 4 screws in the band, cabochon set crown, No.7808613010 Strap/Bracelet: Black lizard leather Buckle/Clasp: Gold plated buckle Signed: Case, dial & movement Size: 24mm x 30mm Weight: 28,18g Accompaniments: Cartier service box, International Guarantee Certificate, Original purchase invoice, travel pouch