Patek Philippe Ladies First Split-Seconds Chronograph Ref. 7059
Ladies First split-seconds monopusher chronograph
A Grand Complication with feminine sparkle

• Technical data
  
• Ladies First Grand Complication Ref. 7059 in 18K rose gold (4N)
  Ladies First monopusher split-seconds chronograph
  
• Movement: Caliber CHR 27-525 PS
  Ultra-thin manually wound mechanical movement, monopusher splitseconds chronograph with column wheels, chronograph and split-seconds hands, 60-minute counter, and subsidiary seconds
  
• Diameter 27.30 mm
  
• Height: 5.25 mm
  
• Number of parts: 252
  
• Number of jewels: 27
  
• Power reserve: 48 hours
  
• Balance: 2-arm Gyromax with 8 poising weights
  
• Frequency: 21,600 semi-oscillations per hour (3 Hz)
  
• Balance spring: Breguet
  
• Functions: Two-position crown
  – Pushed in: To wind the watch
  – Pulled out: To set the time
  
• Displays: Hours and minutes from the center
  Chronograph (trotteuse) and split-seconds hands from the center
  Subsidiary dials:
  – Subsidiary seconds at 9 o'clock
  – Continuously running 60-minute counter at 3 o'clock
  
• Chronograph pushers: Chronograph start, stop, and reset with pusher in the crown
  Start and stop of split-seconds hand with pusher at 2 o'clock
  Features
  
• Case: Officer's-style case in 18K rose gold (4N), cambered sapphire crystal, bezel with 153 flawless Top Wesselton diamonds totaling approx. 0.72 ct., screwed sapphire-crystal display back with 76 flawless Top Wesselton diamonds totaling approx. 0.40 ct.
  Water-resistant to 30 meters (3 bar)
  Case dimensions: Diameter 33.2 mm
  Height: 8.6 mm
  Width between lugs: 21 mm
  
• Dial: Matt opalescent, powder rose imprint
  Ten applied Breguet numerals in 18K rose gold
  “Poire Stuart” hour and minute hands in 18K rose gold
  Counterbalanced chronograph and split-seconds hands in 18K rose gold
  Subsidiary dials:
  – Subsidiary seconds at 9 o'clock: Hands in 18K rose gold
  – 60-minute counter at 3 o'clock: Hands in 18K rose gold
  
• Strap: Alligator leather with square scales, hand-stitched, matt mother-of-pearl hue, prong buckle in 18K rose gold with 26 diamonds totaling approx. 0.18 ct.