Orient Star Caliber F6f44

Orient Star Caliber F6F44

Automatic
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Orient Star Caliber F6f44

BrandOrient Star
Caliber NumberF6F44
Manufacturer
Epson (Seiko Instruments Inc.)
Movement TypeAutomatic, self-winding mechanical
Jewel Count
24
Beat Rate
21,600 vph, 3 Hz
Lift Angle
Unconfirmed
Accuracy Rating
-15 ~ +25 sec/day
Power Reserve
50 hours
Hand-Windable?
Yes
Anti-Shock Device
Diashock
Hand Count4
FunctionsCentral hours; central minutes; small seconds subdial at 6:00; power reserve indicator at 12:00; open balance wheel at 9:00
Hacking Seconds?
Yes
Country of ManufactureMade in Japan
Known Models
Orient Star “Modern Skeleton” (Ref: RE-AV0113S, RE-AV0114E, RE-AV0115B), Orient Star Open Heart 70th Anniversary (Ref: RE-AV0B01S00B) (Add your watch to the comments below…)

The Orient Star caliber F6F44 is an automatic watch movement with an open (aka open-heart or skeletonized) balance wheel and a power reserve indicator.

Orient Star officially refers to watches with this movement as: “Mechanical Watch, Power Reserve Indicator, Automatic & Hand Winding Mechanism”.

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