The Patek Philippe 5935A-001 World Time Flyback Chronograph is a highly collectible Grand Complication-style travel watch that combines two of Patek Philippe's signature complications: World Time Flyback Chronograph Introduced in 2022, it is especially notable because it is housed in a stainless-steel case, a rare material for a complicated Patek Philippe. The watch displays the time simultaneously across all 24 world time zones while also offering an in-house flyback chronograph.