The Eterna 1447U is a mechanical watch movement that features a unique design where the train and hand gears are driven separately by the barrel. This movement offers several functions including manual wind, sweep second, day setting with a range of +/-24 hours, and quickset date adjustment through reverse setting. The Eterna 1447U movement was commonly used in watches around the 1970s.

The Eterna 1447U features the following functions:

• Date: quickset by reverse setting
• Day: set by +/-24h
• Manual Winding
• Sweep second