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Ingersoll Caliber In 416

Ingersoll Caliber 416

Ingersoll Caliber In 416

Caliber NumberIN 416
Movement TypeAutomatic
Power ReserveUnknown (comment below)
Vibrations Per Hour21,600 bph
FeaturesHours, minutes, small seconds, dual time subdial, day/night indicator
Country of ManufactureChina
Known ModelsBoonville IN2705WH, Ulzana IN2713CR

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.


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:

  1. With the crown pulled out one click to position 1, turn the crown counterclockwise to set the small dual time dial.
  2. Once the dual time is set, turn the crown clockwise to set the local time.
  3. 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.”

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Anthony Moser
Anthony Moser
2 years ago

Base Caliber: PTS Resources/Shandong Liaocheng Zhong Tai Watch Company Z2031/Z2032(Boonville) Z2033/Z2034(Ulzana)

The two watches use slightly different movements based on the balance wheel anchors.

These movements have dual mainsprings.

CeeLo Green
CeeLo Green
1 year ago
Reply to  Anthony Moser

This is not an ‘unknown’ reserve, because it s a 42-hour movement reserve.

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