Family: SWBased on Sellita SW220-1
The SW220-1 is an automatic GMT movement modified by Sinn Spezialuhren, based on the Sellita SW220-1. Introduced in 2015, it features the brand's Ar-dehumidifying technology, Tegiment hardening treatment, and DIAPAL low-friction escapement. The movement remains in production and powers the 857 UTC and 857 UTC TESTAF watches.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
COMPLICATIONS
GMT
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheLAUNCH YEAR
2015BASED ON
Sellita SW220-1CALIBER FAMILY
SWALSO KNOWN AS
sellita sw220-1 gmt
FOR WATCH DEALERS
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