Patek Philippe Grandmaster Chime Only Watch 2019 Unique Piece in Steel, Reference 6300A-010

To support Only Watch 2019 Charity auction, Patek Philippe has created a steel version of its Grandmaster Chime watch. Exclusively presented for Only Watch 2019 and bearing reference number 6300A-010, this unique timepiece is the one and only Patek Philippe Grandmaster Chime made in stainless steel.

The Grandmaster Chime is the first Patek Philippe grande-sonnerie wristwatch ever added to the company’s current collection. The grand complication Ref. 6300A-010 unites accomplishment and elegance in this new and unique stainless steel version boasting two dials in rose gold and black ebony. The reversible case, adorned with a guilloched hobnail pattern, is notable for its patented reversing mechanism.

This exceptional grand complication features 20 complications in its stainless steel case, including no fewer than five chiming modes, two of which are patented world firsts: an acoustic alarm that strikes the preselected time and a date repeater sounding the date on demand.

The shine of steel, rarely used with a Patek Philippe Grand Complication, is particularly striking when combined with the hand-guilloched hobnail pattern which perpetuates the tradition of rare handcrafts. The special words “The Only One”, which appear at 12 o’clock on the auxiliary dial, further enhance the exclusive value of this unique timepiece.

Technical details

Model: Patek Philippe Grandmaster Chime reference 6300A-010

Case
Stainless steel, Reversible case with guilloched hobnail pattern, Humidity and dust protected only (not water resistant).
Diameter: 47.7mm
Thickness: 16.07mm

Dial
18K solid gold dial plates. Time side: rose gold, gold applied Breguet numerals, hand-guilloched hobnail center, « The Only One » inscription in the alarm sub-dial Calendar side: black ebony.

Movement
Manually wound mechanical movement. Caliber 300 GS AL 36-750 QIS FUS IRM. Strikework isolator indicator. Second time zone. Second time zone day/night indicator. Day, date (on both dials), month, leap-year cycle by hands. Four-digit year display in an aperture. 24-hour and minute subdial. Crown position indication (R,A,H).

Bracelet
Alligator leather with square scales, hand-stitched, shiny black. Fold-over clasp.

Specificities
The one and only Patek Philippe Grandmaster Chime made in stainless steel

Estimate
CHF 2,500,000 – 3,000,000
EUR 2,000,000 – 2,700,000
USD 2,500,000 – 3,000,000

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