Patek Philippe Nautilus Travel Time Chronograph (Ref. 5990/1A-001) – Unworn / Untouched Full Set

Up for auction is a holy grail of modern luxury sports watchmaking: The Patek Philippe Nautilus Travel Time Chronograph in Stainless Steel (Reference 5990/1A-001). This model features the iconic, discontinued black-gradated dial and is equipped with the original, highly desirable butterfly fold-over clasp. In completely unworn and true untouched factory condition, this timepiece seamlessly blends the world's most elegant sports watch design with a flyback chronograph and dual-time functionality. An elite collector's dream.

Product Highlights:

• True Untouched Condition: Completely pristine and unworn, preserving its flawless factory finish, razor-sharp satin-brushed edges, and high-polish bevels.
• Butterfly Clasp: Fitted with the celebrated classic Nautilus integrated steel bracelet and the secure, seamless butterfly fold-over buckle.
• Travel Time Mechanism: An ingenious, user-friendly complication displaying local and home time simultaneously, complete with dedicated day/night indicators for both zones.
• Flyback Chronograph: Equipped with a column-wheel chronograph and a central sweep hand that can be instantly reset and restarted with a single press of a pusher.
• Black Gradient Dial: The iconic horizontally embossed Nautilus dial featuring a stunning black-to-gray gradient effect, beautifully balanced with white gold luminous hands and markers.
• Calibre CH 28-520 C FUS: A masterfully engineered, thin in-house automatic movement visible through the sapphire caseback, sporting a heavy 21K gold central rotor and the prestigious Patek Philippe Seal.

Technical Specifications:

• Brand: Patek Philippe
• Reference: 5990/1A-001
• Model: Nautilus Travel Time Chronograph
• Case Diameter: 40.5 mm (10 to 4 o'clock)
• Case Thickness: 12.53 mm
• Material: Stainless Steel
• Crystal: Scratch-resistant sapphire crystal front and caseback
• Water Resistance: 120 meters (12 bar) with a screw-down crown