This replica nautilus 57401G white 40mm 69186 brings perpetual calendar functionality to the Nautilus sport-watch platform. The 5740/1G reference houses one of the thinnest perpetual calendar movements ever fitted inside a Nautilus case, tracking day, date, month, leap year, and moon phase without manual correction until 2100. Patek Philippe used white gold for this edition, giving it a cooler tone than rose-gold alternatives. The 40mm case maintains the familiar rounded-octagon profile while packing significantly more mechanical depth than a standard time-and-date Nautilus.

Key Specifications

• Case diameter: 40mm
• Case material: 18K white gold
• Dial: white with applied gold indices
• Complications: perpetual calendar, moon phase, leap year
• Crystal: sapphire front and back
• Bracelet: 18K white gold integrated links
• Movement: ultra-thin automatic
• Water resistance: 60m

A nautilus perpetual calendar in white gold offers a specific combination: the full complication set paired with understated color. There is no polished gold warmth here, just matte cool tones that blend with the white dial.

Design & Finishing

The perpetual calendar display uses subdials and apertures arranged symmetrically across the face. Day and month appear in twin windows near 12 o’clock, the date tracks on a subdial at 6, and the moon phase sits alongside it. Despite these complications the dial remains legible because each indicator occupies a defined zone. The horizontal embossing characteristic of every Nautilus adds texture without competing with the calendar readouts. For a time-only Nautilus in steel, the 5711/1A green dial presents a cleaner face at a different price point. Both belong to the Nautilus lineup, but they address very different watch-collecting priorities.

On the Wrist

White gold wears similarly to steel in terms of visual weight, but it sits heavier. The integrated bracelet drapes smoothly over the wrist and the double fold-over clasp keeps the profile low. Patek Philippe positioned this reference for collectors who want their most complex movement inside a case they can wear daily. This replica nautilus 57401G white 40mm 69186 puts that perpetual calendar capability on an integrated-bracelet sport watch designed for everyday use.