Family: SW40038h / 41h power reserve28,800 vph (4 Hz)
The SW400-1 is an automatic movement manufactured by Sellita in Switzerland. It has a 31.00 mm diameter and operates at 28,800 vph with a power reserve of 38 to 41 hours, featuring Incabloc shock protection and a ball-bearing rotor. The movement includes a date complication and is a larger variant of the SW200-1, designed to fit contemporary men's watches of 40 to 46 mm without requiring a movement spacer.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
38h / 41h
Frequency
28,800 vph (4 Hz)
Diameter
31mm
Display Type
Analog
Rotor Type
Ball Bearing
Shock Protection
Incabloc
COMPLICATIONS
Date
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionCALIBER FAMILY
SW400COUNTRY
SwitzerlandALSO KNOWN AS
sw400-1 asw400-1 b
FOR WATCH DEALERS
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