| 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, TW Steel CEO Tech, 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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