Patek Philippe brand

Complex Function Timepieces

Automatic mechanical movement type

Cal.CH 28-520 IRM QA 24H Movement Model

40.5 mm dial diameter

Rose gold case material

Basic Information Number 5960R-001 Brand Patek Philippe Series Complications Movement Type Automatic Mechanical Gender Men’s Movement Movement Model Cal.CH 28-520 IRM QA 24H Movement Type Automatic Mechanical Manufacturer Patek Philippe Movement Diameter 33 mm Movement Thickness 7.68 mm Balance Wheel Gyromax with Adjustment Weights Frequency 28,800 vibrations per hour Hairspring Breguet Hairspring Jewels 40 Number of Parts 456 Power Reserve 55 hours Exterior Case Diameter: 40.5 mm Case Thickness: 13.55 mm Dial Color: Dark Brown Dial Shape: Round Strap Color: Dark Brown Clasp Type: Folding Clasp Case Back: Not Available Weight: Not Available Water Resistance: 30 meters In 2024, Patek Philippe implemented a new water resistance standard; this water resistance rating refers to the depth to which the watch can be submerged. Hour marker type: baton Hour markers; Clasp spacing: Not available; Lug spacing: Not available; Materials: Case material: Rose gold; Dial material: Not available; Bezel material: Not available; Crystal material: Sapphire crystal; Crown material: Not available; Strap material: Alligator leather; Clasp material: Rose gold; Functions: Date display, Day display, Annual calendar, Chronograph, Power reserve display