Orient Star Caliber F6n43

Orient Caliber F6N43

Orient Star Caliber F6n43

Brand Orient
Caliber Number F6N43
Movement Type Automatic
Jewels 22
Vibrations Per Hour
21,600 bph
Anti-Shock System Seiko Diashock
Winding System
Magic Lever
Power Reserve
~50 hours
Hand Windable?
Hacking? Yes
Lift Angle (Add to comments below…)
Functions Central hours; central minutes; central sweeping seconds; power reserve indicator at 12:00, date at 3:00
Country of Manufacture Japan
Known Models Orient Star Mechanical Sports Watch “Outdoors” line (ref: RE-AU0201E, RE-AU0202N, RE-AU0203B, RE-AU0204L, RE-AU0206B, RE-AU0207L), RE-AU0006S, RE-AU0004B, RE-AU0005L (Please add your watch and more known models to the comments below…)

The Orient caliber F6N43 is part of the F6N4 family of Orient watch movements. It is a 3-hand self-winding automatic movement with a power reserve indicator at 12:00. Orient makes their calibers in-house in Japan. The F6N43 is an evolution movement with up upgraded power reserve to 50 hours on a full wind. This calibre also includes popular functionality including the ability to manually wind the movement, as well as hacking seconds (Orient refers to this as a second hand halt mechanism).

This movement is found in Orient Star’s Outdoors line of sport watches, released in 2019.


Epson claims that the accuracy of the caliber F6N43 averages between +25 / -15 seconds per day.

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