Oris Caliber 400
Oris Caliber 400

Oris Caliber 400

The Oris caliber 400 is an automatic watch movement with a date. It has 21 jewels with a beat rate of 28,800, 4Hz. The calibre 400 has a power reserve of 120 hours (5 days) thanks to a twin-barrel design. Oris claims that the accuracy of this movement is rated at an average of -3/+5 seconds per day. The recommended service interval on the 400 is 10 years.

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