Unworn Patek Philippe Grand Complications, 5308G-001, box and papers

The Patek Philippe Grand Complications Ref. 5308G-001 is a remarkable showcase of the brand’s horological mastery, combining three of the most prestigious complications: minute repeater, split-seconds chronograph, and perpetual calendar. Encased in elegant 18k white gold, this timepiece features a sunburst blue dial with blue-gradient edges, white gold applied hour markers, and refined displays for day, date, month, leap year, and moon phases. At its heart lies the hand-wound Caliber R CHR 27 PS QI, developed with two patented innovations ensuring optimal energy efficiency. This extraordinary piece blends mechanical sophistication, modern aesthetics, and Patek Philippe’s timeless artistry.

Technical Data
• Movement
– Caliber: R CHR 27 PS QI
– Type: Manual-winding
– Functions: Hours, minutes, small seconds, split-seconds chronograph, minute repeater, perpetual calendar (day, date, month, leap year, moon phases)
– Power reserve: 38–48 hours
– Frequency: 21,600 vph (3 Hz)
– Jewels: 56

Case
– Material: 18k white gold
– Bezel: Fixed, polished
– Crystal: Sapphire, scratch-resistant
– Caseback: Sapphire, interchangeable with solid caseback
– Water resistance: 30 m

Dimensions
– Diameter: 42 mm
– Thickness: 14.3 mm

Strap
– Type: Leather strap
– Material: Shiny black alligator leather, hand-stitched
– Buckle: White gold fold-over clasp