A yellow gold vintage Patek Philippe manual wind wristwatch, model reference # 3528-1. The 14ct yellow gold bracelet is diamond encrusted and the dial is pave set with diamonds and four synthetic rubies as hour markers. The 14ct yellow gold bezel has been set with diamonds and features 12 ruby corner embellishments initiated by the single owner. The snap back case back is 18ct yellow gold. The case and bracelet feature 928 round brilliant cut, grain-set diamonds where 284 are approximately 0.9-1.0 mm and 644 are approximately 1.4-1.8 mm, with estimated total weight of 14.0 carats, F-H colour, Si-I2 clarity. 1 x in dial is damaged and not graded