This refined Nautilus Flyback Chronograph brings together a white gold case and a blue-gray opaline dial, creating a modern yet elegant aesthetic. The watch features a distinctive large monocounter at 6 o’clock, grouping the 60-minute and 12-hour chronograph indications into a clean and highly legible layout.
Powered by the self-winding CH 28-520 C caliber, this model offers a flyback chronograph, vertical clutch system, and a date display positioned at 3 o’clock. Every detail reflects Patek Philippe’s craftsmanship—from the horizontally embossed dial to the polished and satin-finished case inspired by the Nautilus’ iconic porthole design.
The watch is delivered with two straps, both matching the dial’s blue-gray tone: a calfskin denim-pattern strap with white stitching, and an additional composite strap with a fabric-style finish. A white gold Nautilus fold-over clasp completes the luxurious presentation.
Opaline blue-gray dial with horizontal embossing. White gold applied baton-style hour markers and rounded baton-style hands, both with white luminescent coating.
White gold case, 40.5 mm diameter (10–4 o’clock) and 12.2 mm thickness. Screw-down crown, sapphire crystal case back, and water resistance up to 30 meters. Features polished and satin-finished surfaces with a slimmer bezel for a wider dial opening.
Includes two straps: - Blue calfskin with denim texture and white stitching (primary strap) - Blue-gray composite strap with fabric-style pattern and white stitching (additional strap) Both are equipped with a white gold Nautilus fold-over clasp.
| Caliber | CH 28-520 C |
|---|---|
| Type | Self-winding, flyback chronograph |
| Functions | Flyback chronograph, central chronograph hand, 60-minute & 12-hour monocounter, date display |
| Diameter | 30 mm |
| Thickness | 6.63 mm |
| Parts | 327 components |
| Jewels | 35 |
| Power Reserve | 45 to 55 hours |
| Rotor | 21K gold central rotor |
| Frequency | 28,800 vibrations/hour (4 Hz) |
| Balance | Gyromax® balance with Spiromax® spring |
| Certification | Patek Philippe Seal |
Note: This is an inspired descriptive HTML version for display purposes and not an official Patek Philippe document.
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