PATEK PHILIPPE RECTANGULAR Reference: 2554/1. Serial number: 2604404 18k yellow gold case. Light grey dial, applied baton hour-markers. Hand-wound mechanical movement (calibre 9.90, no. 977346). Leather strap on yellow gold buckle signed PP.CO. Plexiglas glass. Circa 1950. Dimensions: 22 x 40 mm. Gross weight: 36.2 g. An 18k gold wristwatch mechanical movement by Patek Philippe. Circa 1950. RC: Sold as is, traces of wear and use. Movement functional at time of writing, no warranty.