7 jewels
Caliber 50 is a manual-winding Swiss mechanical alarm clock movement manufactured by Looping. The 7-jewel movement is marked "Cal. 50" with "Seven 7 Jewels, Unadjusted" and was used in brass travel-size alarm clocks. Looping SA produced the caliber in Corcelles, Switzerland.
Last updated 15 Sep 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
7 jewels
Display Type
Analog
Winding
Manual
COMPLICATIONS
Alarm
FEATURES
Hand Winding
QUICK FACTS
FOR WATCH DEALERS
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