The ETA 2492 watch movement was in use during the period from 1929 to 1940. It featured a Breguet hairspring and shared minor differences with other movements like the 10AE, 10AN, and 10AX. The 10AEC movement was a manual wind mechanical movement with sub-second and sweep seconds functions.

The ETA 2492 features the following functions:

• Manual Winding
• Mechanical Movement
• Sub Second
• Sweep Seconds