Replica Patek Philippe Nautilus 5990/1A-001 — 40.5 mm Black Dial, Travel Time & Flyback, 904L Steel
Four pushers on a Nautilus case. The 5990/1A-001 is the only reference that combines a flyback chronograph with a dual-timezone complication in the same movement. Patek caliber CH 28-520 C FUS drives the flyback; a local/home time mechanism adds the second timezone on a subdial at 6 o’clock. Black dial on an integrated steel bracelet. This replica Patek Philippe Nautilus 5990 is built in 904L steel throughout.
Flyback chronograph plus dual timezone. Four pushers, three subdials, two time zones in one 40.5 mm steel case. The 5990/1A is the most loaded Nautilus Patek ever made.
Case & Dial
40.5 mm, 12.5 mm thick — fractionally thinner than the 5980 despite the added complication. Octagonal bezel, polished bevels, satin flanks. Four pushers: two square chronograph pushers at 2 and 4, two round timezone pushers at 8 and 10. That’s a crowded case side. Sapphire front and display caseback, AR-coated.
Black dial, horizontal embossing. Three subdials: flyback minutes at 12, local/home time at 6, running seconds at 9. Day/night indicator integrated into the local-time subdial. Applied baton markers, SuperLuminova. The dial is busier than the 5980 but Patek kept the layout readable — no overlapping registers.
Bracelet
Integrated 904L, flush at the first link. Same width as the 5980 bracelet — wider than the time-only 5711 to handle the thicker case. Fold-over clasp, alternating satin and polished surfaces. If the four-pusher look is too much, the Aquanaut 5164 does travel time without the chronograph — two pushers, rubber strap, simpler dial.
Movement
Automatic, 28,800 vph. Flyback works as expected — single-push reset and restart. The timezone pushers advance the local hour hand forward or backward independently. Through the caseback: column wheel, Côtes de Genève, perlage. SuperClone: ±8 sec/day. More on grades at our FAQ page.
The 5990/1A-001 replaced the 5980/1A as the top-of-range steel Nautilus chronograph. Genuine examples now trade $70–90K. This 5990 replica is the full dual-timezone flyback in 904L steel. All Nautilus models | Questions? Contact us


















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