Replica Patek Philippe Nautilus 5740/1G-001 — 40 mm Blue Sunburst, White Gold
The 5740 stands at the top of the Nautilus hierarchy — a genuine perpetual calendar inside the same 40 mm × 8.4 mm case that defines the line. Where the annual calendar 5726 requires one correction per year on March 1st, the 5740 needs none until the year 2100: caliber 240 Q tracks day, date, month, leap year, and moon phase simultaneously without manual intervention. White gold elevates the piece further, giving the octagonal bezel a cooler, more restrained brilliance than rose gold while remaining categorically rarer than steel.
The only Nautilus complication that tracks an entire century without a single manual correction.
Caja y esfera
The 40 mm white gold case maintains the Nautilus tonneau-cushion profile at a measured 8.4 mm thick — remarkable for a perpetual calendar movement. The eight-sided bezel rotates brushed horizontal surfaces against polished bevels, the same finishing language used across the Nautilus family. On the blue sunburst dial, horizontal embossing runs beneath applied white gold baton indices; at 6 o’clock, a deep blue moon phase aperture shows a hand-engraved disc against a starfield. Day and date appear in a dual window at 12, month at 9, leap year indicator at 3 — all flush with the dial surface for a clean, instrument-like readout.
Pulseras
The integrated white gold bracelet shares link architecture with the standard Nautilus: alternating brushed horizontal and polished vertical rows, flowing directly from the case without visible lugs. The folding deployant clasp locks flush against the wrist. In terms of formal weight, the white gold bracelet configuration sits above rose gold — compare with the 5811 / 1G for the newer-generation equivalent, or the steel Nautilus models if a sporting character is the priority.
Movimiento
Caliber 240 Q runs at 21,600 vph (3 Hz) and measures just 3.88 mm total height — one of the thinnest perpetual calendar movements in production. An off-centre 22-carat gold micro-rotor winds the mainspring without the bulk of a central rotor, preserving dial visibility. AAA and SuperClone grades use 904L super-austenitic steel throughout the bracelet and case components, with the SuperClone reproducing the micro-rotor architecture and perpetual calendar module layout visible through the sapphire caseback. A Grade pieces run 316L steel with a decorated movement. Full movement specs by grade are listed in our Preguntas Frecuentes.
Authentic 5740/1G-001 examples trade above $130,000 USD on the secondary market. Our replica delivers the full perpetual calendar presentation across all three quality tiers. Browse the complete Colección Nautilus or compare with the Complications range for other calendar complications.


















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