Handsetting mechanism, calibre Unitas 6497-1

3D Model

This 3D animation shows the handsetting mechanism of the watch movement 6497-1.

It is a manual winding movement. The winding stem can be set in two positions:

1. Winding – In normal position (closed), it is used to rewind the mainspring;
2. Setting – By pulling the crown, the time can be adjusted.

Calibre Unitas 6497-1 is produced by ETA SA (Swatch Group).

• Diameter: 36.6 mm
• Running time: 46 h
• Frequency: 2.5 Hz (18‘000 A/h)
• Number of jewels: 17

Downloadable files:

• .blend file (fully animated, Blender v. 2.79)
• Layered PDF with all the 2D components stacked

Calibre 6497-1 is found in many mechanical watches. For example it can be found in this skeleton watch.

Don’t miss this YouTube Short featuring a medley of watch mechanisms I have uploaded on Sketchfab!