Miyota Caliber 9100

Miyota Caliber 9100

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Miyota Caliber 9100

Brand Miyota (Citizen)
Caliber Number 9100
Movement Type Automatic
Diameter 13 1/2”’ (30.20mm)
Height 5.52mm
Jewels 26
Vibrations Per Hour
28,800 bph
Anti-Shock System Parashock
Power Reserve
40 hours
Winding Direction
Uni-directional (clockwise)
Hand Windable?
Yes
Hacking? Yes
Lift Angle 51 degrees
Stem 065-A05 (tap 10)
Plastic Movement Holder 500-002
Dial Screws 924-752
Hand Sizes
1.52mm / 1.0mm / 0.17mm
Functions Hours, minutes, central sweep seconds, 24 hour subdial, day subdial, month subdial, date window, power reserve indicator
Country of Manufacture Japan
Known Models Detomaso Forza XXL, too many to list (Add yours in the comments below…)

The Miyota caliber 9100 is from the 9100 family with other calibers based off of this one.

Accuracy

Miyota claims that the caliber 9100 offers accuracy of -10 ~ +30 seconds per day. This is measured within 10-60 minutes from a full wind via the crown. To fully wind the movement, turn the crown 40 times. The winding direction of the rotor is counterclockwise.

Miyota 9100 Family

  • 9100 – Hours, minutes, central sweep seconds, 24 hour subdial at 6:00, day of the week subdial at 9:00, month subdial at 3:00 (set with the pusher at 2:00), date window at 5:00, power reserve indicator at 12:00
  • 9110 – Hours, minutes, central sweep seconds, 24 hour subdial at 6:00, day of the week subdial at 9:00, date window at 3:00, power reserve indicator at 12:00
  • 9120 – Hours, minutes, central sweep seconds, 24 hour subdial at 6:00, day of the week subdial at 9:00, month subdial at 3:00 (set with the pusher at 2:00), date window at 5:00
  • 9122 – Hours, minutes, central sweep seconds, day of the week subdial at 9:00, month subdial at 3:00 (set with the pusher at 2:00), date window at 6:00
  • 9130 – Hours, minutes, central sweep seconds, date window at 6:00, power reserve indicator at 12:00
  • 9132 – Hours, minutes, central sweep seconds, 24 hour subdial at 6:00, date window at 3:00, power reserve indicator at 12:00

Replacement Prices

Replacement prices were found online for $136.95.

Examples of watches with caliber 9100

The photos in this listing are of a caliber 9100 found in this Detomaso Forza XXL Blackout. Some other watches with this movement:

Additional Resources

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