Patek Philippe 5968A-001 is powered by the automatic Caliber CH 28-520 C, a flyback chronograph movement with vertical clutch system for smooth activation and reset. Its 42.2 mm stainless steel case offers water resistance up to 120 meters and is paired with an embossed dial and integrated composite strap. The movement runs at 28,800 vibrations per hour with a power reserve of approximately 55 hours.

This model combines sport-oriented durability with precise chronograph functionality. Its construction supports daily wear while maintaining the mechanical standards associated with high-end watchmaking.

Patek Philippe Aquanaut Chronograph Ref. 5968A-001

Model: Aquanaut Chronograph
Reference: 5968A-001
Collection: Aquanaut / Complications
Case Material: Stainless steel
Case Diameter: 42.2 mm, measured from 10 to 4 o’clock
Case Thickness: 11.9 mm
Crystal: Sapphire crystal
Case Back: Sapphire-crystal display back
Water Resistance: 30 m
Crown: Screw-down crown
Bezel: Rounded octagonal Aquanaut bezel with contrasting polished and satin finishes.

Dial: Sunburst charcoal-gray dial with black-gradient rim and embossed Aquanaut pattern. Applied white-gold Arabic numerals feature white luminescent coating, accompanied by white-gold baton-style hands with luminous coating. The central chronograph hand, 60-minute counter at 6 o’clock and date aperture at 3 o’clock provide the principal functional indications.

Movement: Patek Philippe Calibre CH 28-520 C
Movement Type: Self-winding mechanical
Chronograph: Flyback chronograph with vertical clutch
Movement Diameter: 30 mm
Movement Thickness: 6.63 mm
Components: 308
Jewels: 32
Power Reserve: Minimum 45 hours; maximum 55 hours
Winding Rotor: 21K gold central rotor
Balance: Gyromax®
Balance Spring: Spiromax®
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Hallmark: Patek Philippe Seal.

Functions: Hours, minutes, central chronograph seconds, 60-minute chronograph counter, date and flyback chronograph function. The chronograph start/stop pusher is at 2 o’clock; reset/flyback is at 4 o’clock; rapid date correction is provided by a corrector at 8 o’clock.

Strap: Composite Aquanaut strap, black as originally fitted; additional orange composite strap supplied
Clasp: Patented stainless-steel Aquanaut fold-over clasp secured by four independent catches.

Alternative References & Configurations

Patek Philippe’s official 5968 family documentation identifies several configurations:

* 5968A-001 — stainless steel; charcoal-gray/black-gradient dial; black composite strap with additional orange strap. Primary configuration.
* 5968R-001 — 18K rose gold; black/brown-toned configuration.
* 5968G-001 — 18K white gold; blue/black-gradient dial; midnight-blue composite strap.
* 5968G-010 — 18K white gold; alternative dial/strap configuration.

Patek Philippe itself identifies the 5968R-001 and 5968G configurations as other models associated with the 5968A-001.

Reference Distinction: The 5968A-001 is the stainless-steel version, distinguished by its charcoal-gray sunburst dial, orange chronograph indications, black/orange strap combination and steel fold-over clasp.