Family: Urwerk satellite hours
UR-4.01 is a manual-winding in-house caliber from URWERK, introduced in 2006. It displays time using the brand's signature revolving satellite hours with retrograde minutes. The movement powered the UR-201 collection and features a distinctive "Control Board" on the caseback showing power reserve and rate accuracy. Production has been discontinued.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
Winding
Manual
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
2006CALIBER FAMILY
Urwerk satellite hoursFOR WATCH DEALERS
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