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Caliber 6R64

Originally released in 2018, the 6R64 automatic GMT movement features a 24-hour hand that can be adjusted to a second time zone or indicate the AM/PM status of the main time. Employing 29 jewels, Caliber 6R64 beats at a frequency of 28,800 vph, has a power reserve of 45 hours, and features a power reserve indicator complication in addition to the 24-hour GMT hand and date calendar.


Winding mechanismAutomatic with manual winding mechanism
Power reserveApproximately 45 hours
Vibrations28,800 vibrations per hour (8 beats per second)
Number of jewels29 jewels
FeaturesGMT hand, power reserve indicator, date calendar


Caliber 6R64