Patek Philippe Ref. 5073
The minute repeater with a perpetual calendar and 158 baguette diamonds totaling 5.27 ct. unites horological excellence with the pinnacle of the jeweler’s art

• Technical data
  
• Grand Complication Ref. 5073 in platinum
  Minute repeater, perpetual calendar, and moon phases
  
• Movement: Caliber R 27 Q
  Self-winding mechanical movement. Minute repeater with cathedral gongs and perpetual calendar. Day of week, 24-hour display, month, leap-year cycle, and date with hands, moon phases in an aperture.
  
• Overall diameter: 28 mm
  
• Height: 6.90 mm
  
• Number of parts: 467
  
• Number of jewels: 39
  
• Power reserve: Max. 48 hours
  
• Balance: Gyromax®
  
• Frequency: 21,600 semi-oscillations per hour (3 Hz)
  
• Balance spring: Flat
  
• Balance spring stud: Adjustable
  
• Functions: Two-position crown
  – Pulled out: To set the time
  – Pushed in: To wind the watch
  Hallmark: Patek Philippe Seal
  
• Displays: Hours and minutes from the center
  Subsidiary dials:
  – Day of week and 24-hour dial at 9 o'clock
  – Month and leap-year cycle at 3 o'clock
  – Date at 6 o'clock
  Aperture:
  - Moon phase at 6 o’clock
  
• Corrector push pieces: – Date and day between 11 and 12 o'clock
  – Month between 12 and 1 o’clock
  – Moon phase at 6 o'clock
  – Day between at 10 o'clock
  Delivered with correction stylus in ebony and platinum
  Minute repeater cathedral gongs: Hours low, quarter-hours high-low, minutes high.
  Features
  
• Case: 950 platinum, solid platinum back and interchangeable display back with sapphire-crystal window, diamond of approx. 0.02 ct. between the lugs at 6 o'clock
  
• Dimensions: Diameter 42 mm
  Height: 11.11mm
  Width between lugs: 21 mm
  
• Slide: On the left side of the case to actuate the minute repeater
  
• Dial: Black, 18K gold.
  13 baguette diamonds totaling approx. 0.25 ct. as hour markers
  Leaf-shaped hands in 18K white gold for hours and minutes
  Leaf-shaped hands in 18K white gold for date, day, and month
  White-lacquered baton hands in 18K white gold for 24-hour display and leap-year cycle
  Railway track minute scale on dial periphery
  
• Precious stones: Bezel and lugs set with 103 baguette diamonds totaling approx. 4.33 ct. Foldover clasp set with 42 baguette diamonds totaling approx. 0.69 ct.
  
• Strap: Alligator leather with square scales, hand-stitched, shiny black, platinum foldover clasp