| Brand | Ingersoll |
| Caliber Number | IN 416, IN416 |
| Movement Type | Automatic, self-winding mechanical |
| Jewels | 22 |
| Power Reserve | 42 hours |
| Vibrations Per Hour | 21,600 bph |
| Hacking Seconds? | No |
| Hand-Windable? | Yes |
| Features | Central hours; central minutes; small seconds at 6:00, dual time subdial at 9:00; day/night indicator at 12:00 |
| Country of Manufacture | China |
| Known Models | Boonville IN2705WH, Ulzana IN2713CR (Add your watch to the comments below…) |
The Ingersoll caliber IN 416 automatic watch movement is found in the popular skeleton dial Ingersoll Boonville IN2705WH model. This movement is Chinese-made with 22 jewels.
Accuracy
Ingersoll watches claims this movement should stay accurate between -30 to +30 seconds per day when worn under normal conditions.
Dual Time Zone Instructions
This movement is equipped with a dual time complication. The subdial at 9:00 gives you the time in a second time zone. To set the two times:
- With the crown pulled out one click to position 1, turn the crown counterclockwise to set the small dual time dial.
- Once the dual time is set, turn the crown clockwise to set the local time.
- Push the crown back in to position 0 (winding position).
In the Ingersoll manual, they state the following:
“Over wind of the spring may cause damage to the mainspring. Only wind the spring as far as it will go but not beyond.”
Additional Resources:
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