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World’s most complicated watch PATEK PHILIPPE GRANDMASTER CHIME

Seeing the world’s most complicated watch get built is pretty incredible . Patek Philippe Grandmaster

The Patek Philippe Grandmaster Chime Reference 5175 with the unique hand-engraved case was the star among the commemorative watches presented on the occasion of the manufacture’s 175th anniversary in 2014. Now, it is succeeded by the Reference 6300, the first grande-sonnerie wristwatch ever added to the company’s current collection. Featuring a reversible case in white gold decorated with the manufacture’s typical hobnail pattern, this opus showcases 20 complications, including five chiming modes, two of which are patented acoustic world debuts.

Manually wound mechanical movement. Caliber 300 GS AL 36-750 QIS FUS IRM. Patek Philippe Grandmaster Chime. Double-faced reversible wristwatch. Grande Sonnerie, Petite Sonnerie, minute repeater. Strikework mode display (Silence/ Grande Sonnerie/Petite Sonnerie). Alarm with time strike. Date repeater. Instantaneous perpetual calendar. Movement power-reserve indicator. Strikework power-reserve indicator. Moon phases. Strikework isolator indicator. Second time zone. Second time zone day/night indicator. Display of day and month. Date display (on both dials). Leap year cycle. Four-digit year display. 24-hour and minute subdial. Crown position indicator (winding [R], alarm setting [A], timesetting [H]). Reversible case with hand-guilloched hobnail-patterned decoration, protected against moisture and dust ingress, not water resistant. Time side: ebony black opaline dial, gold applied Breguet numerals, hand-guilloched hobnail-patterned center. Calendar side:  silvery opaline dial. 18K solid gold dial plates. Alligator strap with square scales, hand-stitched, shiny black, fold-over clasp. Reversible case with hand-guilloched hobnail-patterned decoration, protected against moisture and dust ingress, not water resistant.

Case:  white gold. Case diameter: 47.4 mm. Height:  16.07 mm.

CALIBER
Patek Philippe Caliber 300 GS AL 36-750 QIS FUS IRM – Back
Patek Philippe Caliber 300 GS AL 36-750 QIS FUS IRM – Front
FRONT BACK

300 GS AL 36-750 QIS FUS IRM

MANUAL WINDING
Grande Sonnerie, Petite Sonnerie, minute repeater. Strikework mode display (Silence/ Grande Sonnerie/Petite Sonnerie). Alarm with time strike. Date repeater. Instantaneous perpetual calendar. Movement power-reserve indicator. Strikework power-reserve indicator. Strikework isolator indicator. Second time zone. Second time zone day/night indicator. Display of day and month. Date display (on both dials). Leap year cycle. Four-digit year display. 24-hour and minute subdial. Crown position indicator (winding [R], alarm setting [A], timesetting [H]). Moon phases. Diameter: 37 mm. Height: 10.7 mm. Number of parts: 1,366. Jewels: 108. Movement power-reserve: 72 hours. Strikework power-reserve: 30 hours. Balance: Gyromax®. Frequency: 25,200 semi-oscillations/ hour (3.5 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

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