Patek Philippe Grandmaster Chime – Ref. 6300/401G-001

Overview

The Grandmaster Chime Ref. 6300/401G-001 is one of the most intricate timepieces Patek Philippe produces, elevated to haute joaillerie status. Encased in white gold, it features a double-sided, reversible design and a patented rotation mechanism—offering both technical brilliance and aesthetic sophistication

Gem-setting & Visual Elegance

This Haute Joaillerie masterpiece is adorned with a total of 118 baguette-cut blue sapphires (11.9 carats)—primarily on the time-side bezel and clasp—and 291 baguette-cut diamonds (20.54 carats) across the calendar-side bezel and case. All gems are invisibly set along the caseband, lugs, and swivel links 

Technical Specifications

• Reference: 6300/401G-001
• Collection: Grand Complications – Grandmaster Chime (Haute Joaillerie)
• Movement: Manual-winding Caliber GS AL 36-750 QIS FUS IRM
• Complications (20 in total): Grande & petite sonnerie, minute repeater, alarm (with time strike), date repeater, strikework mode & power-reserve indicators, strikework isolator, second time zone, day/night display, instantaneous perpetual calendar, four-digit year, day, date, month, leap year, moon phases, and crown-position indicator
• Case: White gold, 49.4 mm diameter, 16.32 mm thickness, reversible dual-dial with patented rotation mechanism, humidity- and dust-protected only (not water-resistant)
• Dials: Ebony black opaline on both faces; the time side features a hand-guilloched hobnail pattern and white gold Breguet numerals
• Strap & Clasp: Shiny black alligator leather; white gold fold-over clasp set with sapphires 

A Future Statement of Craftsmanship

The Grandmaster Chime Ref. 6300/401G-001 is more than a watch—it’s a declaration of horological ambition, merging complex mechanical engineering with dazzling gem artistry. This timepiece is poised to define future standards in luxury watchmaking, reserved for those who seek the rarest expressions of time.