The Patek Philippe Aquanaut 5167R is the latest watch from Patek Philippe’s successful Aquanaut collection. The Aquanaut 5167R is based on the stainless steel Aquanaut 5167A but features a rose gold case and an embossed chocolate brown dial with a matching chocolate brown rubber strap. The watch uses the Patek Phillipe caliber 324 S C automatic movement which features the new Patek Philippe seal of excellence.