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Mechanical Movement

Self-winding Caliber (Automatic) with 21 Jewels, fully constructed based off the modular design of the Swiss ETA 2824 and the Swiss Valjoux 7750, two of the most important Swiss mechanical movements of the past 50 years.

(Patent rights related to these Swiss Calibers have expired and are now in the Public Domain, allowing other manufacturers to legally reproduce their engineering features and architectural design)

This particular version is finished by hand in Japan, featuring 21 Jewels and adjusted to consistently run at 21600 BPH, making it one of the most robust and serviceable calibers on the market.

All our Calibers are independently tested (ISO 3159), ensuring that each piece is assembled & cased by hand, and that it has successfully passed multiple different Quality Control tests such as Timekeeping Accuracy, Lubrication and Shock Resistance.

Caliber Details

Self-winding GMT Caliber
24-hour Hand, which can be independently set
Hacking (stopping) seconds
Date aperture at 3 o'clock
The Caliber can also be manually wound by unscrewing the crown to the neutral position and then rotating the crown clock-wise. Full power reserve will be reached at approximately 30 rotations of the crown.
The watch features a center Hour, Minute and sweeping Seconds hand.
Movement is sealed and protected with a double gasket screw-down crown.

Power Reserve

Approximately 42 hours

Officially Certified

Independently tested and regulated
Timed in 3 different positions
The accuracy of the movement complies with the International ISO 3159 guidelines, the equivalent accuracy rating to Swiss prestigious COSC certification.

International Warranty

3-Year International Warranty
All components of this Timepiece are covered with a 3-Year International Warranty.