PIAGET "Rectangle à l'ancienne" Ref. 9150, Tank-style, movement no. 736123, case no. 216440, made in the 1980s A fine and attractive, thin and elegant, rectangular shaped with rounded edges, hand wound, 18K yellow gold wristwatch with grey/light purple dial, painted gilt radial Roman numerals and gold Baton hands. Fitted with a Cal. 9P1, manual winding, rhodium-plated, 18 jewels, gold escape wheel and fork, shock-absorbers, gold case back secured by four screws, dust-proof crown, sapphire crystal. Dial, case and movement signed. Diam. 28 x 23.30 mm. Thickness 5 mm.