ETA SA VD53

The VD53 is a quartz chronograph movement manufactured by ETA SA in Japan. It operates on an SR920SW battery with an accuracy rating of +/-20 seconds per month and features a chronograph complication with no jewels. The movement is produced in several variations (VD53A, VD53B, VD53C) that differ primarily in date window position, with the 4:30 position being the standard production version. It remains in active production.