Patek Philippe Ref. 6301A-010 Grande and Petite Sonnerie Minute Repeater Only Watch 2024

The reference 6301A-010 is a unique version in steel of the Grande and Petite Sonnerie, Minute Repeater donated by Patek Philippe to Only Watch for its fundraising auction in favor of research on Muscular Dystrophies and genetic diseases. 

It features a Rare Handcrafts dial with hand-guilloched swirling pattern visible beneath a Grand Feu blue green enamel (flinqué enamel technique). The dial is also set with 12 baguette-cut diamond hour markers (0.45 ct) and features a transfer-printed “only one” inscription. 

The sapphire crystal case back bears the metallized inscription “Only Watch 2024”. This unique timepiece is fitted on a patinated blue green alligator leather strap with fold-over clasp.

Comprising 703 parts, the manually wound caliber GS 36-750 PS IRM features a Grande and Petite Sonnerie and a Minute Repeater chiming on three classic gongs. Two patented innovations are linked to the striking mechanism and one to the jumping small seconds mechanism.

Technical specifications

Patek Philippe Grande and Petite Sonnerie, Minute Repeater. Rare Handcrafts. 

Reference: 6301A-010

Unique piece for Only Watch 10th Edition

Case

• Material: Polished steel case with concave bezel and countersunk satin-finished flanks
• Diameter: 44.8mm
• Height: 12.03mm
• Sapphire crystal case back bearing the metallized inscription “Only Watch 2024”
• Humidity- and dust-protected only (not water-resistant)

Dial and hands

• Grand Feu blue green enamel hand-guilloched dial with a swirling pattern (flinqué enamel), set with 12 baguette-cut diamond hour markers (0.45 ct)
• 18K gold dial plate
• Power reserve indicators for the movement and for the strikework with transfer-printed “only one” inscription
• White gold faceted “Dauphine” hands
• Jumping small seconds at 6 o’clock

Movement

• Caliber GS 36-750 PS IRM
• Manual winding movement
• Grande sonnerie - Petite sonnerie
• Minute repeater with three classic gongs
• Jumping small seconds at 6 o’clock
• Power reserve indicators for the movement (72h) and for the strikework (24h)
• Diameter: 37 mm
• Height: 7.5 mm
• Number of parts: 703
• Frequency: 25,200 semi-oscillations/hour (3.5 Hz)
• Movement power reserve: 72 hours
• Strikework power reserve: 24 hours

Strap and buckle

• Blue green patinated alligator leather strap with square scales, hand-stitched
• Steel fold-over clasp

Estimate

• CHF 1'500'000 - 1'800'000

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