A pre-owned Swiss made Patek Philippe watch from the Aquanaut series, model number 5167R-001. Features an 18kt rose gold case and a brown rubber strap with fold over clasp secured by push button release. Includes fixed 18kt rose gold bezel. The dial is finished in brown, equipped with luminous rose gold hands and Arabic numeral hour markers. Minute markers are present around the outer rim of the analog display. Luminescent coating on both hands and markers ensures visibility without light source assistance after dark hours. Date function appears at the 3 o'clock position. Powered by Patek Caliber 324 SC automatic movement containing 29 jewels, composed of approximately 213 parts; operates at a frequency of 28800 vph (roughly 5Hz); offers around 45 hours power reserve when fully wound down before not being worn. Protected by scratch resistant sapphire crystal glass lens and screw-down crown mechanism for enhanced robustness against moisture damage or mechanical harm during underwater activities up to specified depth limits, this model is rated water resistant at 120 meters / 400 feet which typically equates to safe swimming conditions below sea level without diving accessory complications. The overall case shape conforms to a cushion design aesthetic preference often sought after by connoisseurs interested in distinct watch forms rather than traditional round shapes; measures 40 mm in diameter including its bezel extension, suitable for wrist sizes accommodating this standard men's watch proportionality and style dress watch intended usage.