Orient Caliber F6l24

Orient Caliber F6L24

Day/date with a day/night indicator

Orient Caliber F6l24

Brand Orient (Seiko Epson)
Caliber Number F6L24
Movement Type Automatic, self-winding mechanical
Jewels 22
Vibrations Per Hour
21,600 bph
Lift Angle 53 degrees? (needs confirmed)
Power Reserve
~40 hours
Rotor Winding Direction
Bi-directional via Seiko Magic Lever
Hand Windable?
Anti-Shock System Seiko Diashock
Functions Central hours; central minutes; central sweeping seconds; day/night indicator at 6:00; open balance wheel at 9:00
Hacking Seconds? Yes
Country of Manufacture Japan
Known Models Orient Sun & Moon (Ref: RA-AS0008B10B black, RA-AS0007S10B two-tone, RA-AS0009S10B rose gold, RA-AS0010S10B yellow gold, RA-AS0103A10B blue) (Add your watch in the comments below…)

The Orient caliber F6L24 is a self-winding automatic movement with 22 jewels. This movement features a skeletonized open balance wheel (aka open heart) with a sun/moon indicator (aka day/night indicator).

Orient makes their movements in-house in Japan.

You may have seen this movement incorrectly listed as caliber F6L-24 or F.6L24, but Orient officially writes the caliber number as F6L24.

Orient F6l24

Power Reserve:

The Orient caliber F6L24 has a power reserve of 40 or more hours. Winding the crown 30 times will wind the spring fully and achieve full power reserve. Please report your power reserve experience below.

Replacement Prices:

Orient does not sell movements and they do not supply watch parts suppliers with movements. Therefore, you cannot replace an Orient movement unless you purchase another Orient watch and pull the movement from it.

Pros and Cons:


  • Affordable automatic
  • Hacking mechanism
  • Hand-winding ability


  • Not much official info or documentation provided by the manufacturer
  • Parts are not easily available

Examples of watches with caliber F6L24:

Additional Resources:

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