Patek Philippe enhances the mechanical sophistication of its most complicated wristwatch in a white gold Haute Joaillerie version adorned with 409 baguette-cut diamonds (31.35 cts) and "invisible setting".

Watch

• Manually wound mechanical movement
• Caliber 300 GS AL 36‑750 QIS FUS IRM
• Patek Philippe Grandmaster Chime
• Double-faced reversible wristwatch
• Grande and petite sonnerie
• Minute repeater with classic gongs
• Strikework mode display (S G P)
• Alarm with time strike
• Alarm on/off indication
• Date repeater
• Movement and strikework power-reserve indication
• Strikework isolator indication
• Second time-zone
• Second time zone day/night indication
• Instantaneous perpetual calendar
• Day, date (on both dials), month, leap-year cycle by hands
• Four-digit year display in an aperture
• Moon phases
• 24-hour and minutes subdial
• Crown position indication (R A H)

Dial

• Time side : ebony black opaline, gold applied Breguet numerals, hand-guilloched hobnail pattern
• Calendar side : ebony black opaline
• 18K solid gold dial plates

Case

• White gold reversible case
• Diameter  : 49,4 mm
• Height  : 16,32 mm
• Humidity- and dust-protected only (not water resistant)

Gemsetting

• 387 baguette-cut diamonds  : 30,16 cts
• (bezels and case)
• 22 baguette-cut diamonds  : 1,19 ct
• (clasp)
• Total of 409 baguette-cut diamonds (31,35 cts)

Strap

• Alligator leather with square scales, hand-stitched, shiny black
• Diamond-set fold-over clasp