Omega caliber 1620 is a quartz movement with a digital display, measuring 29 mm in diameter. It features a full calendar showing date and day, along with a split-seconds chronograph and small seconds. The movement is powered by two batteries (SSIH 9909 / Vartachron 547). A special version with tritium backlighting was used in the Speedmaster Alaska IV prototype.
TECHNICAL SPECIFICATIONS
Movement Type
Quartz
Diameter
29mm
Display Type
Digital
COMPLICATIONS
DateDayChronograph
FEATURES
Small Seconds
