15/17 jewels40h power reserve18,000 vph (2.5 Hz)
Historical Meyer & Stüdeli (Roamer) hand-wound calibre with direct central seconds, produced in Solothurn, Switzerland. Specialist references place production approximately in 1944–1962. Versions have 15 or 17 jewels and different balance-protection arrangements, including Shock-Resist, Super-Shock-Resist and Incabloc.
Last updated 2 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
15/17 jewels
Power Reserve
40h
Frequency
18,000 vph (2.5 Hz)
Diameter
25.55mm
Height
4.9mm
Display Type
Analog
Winding
Manual
FEATURES
Hand WindingSweep Seconds
QUICK FACTS
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