LUME
An independent watch journal Watches. Up close.
EST. MMXXVI LUME Local time

Lume Workshop / Interactive model

Spring Drive in motion

Follow the energy from the mainspring to the glide wheel, then disable regulation to see what the Tri-Synchro Regulator actually does.

An original educational illustration, not a complete simulation of a particular calibre.

What brakes the glide wheel without a conventional escapement?

What to observe

Follow the energy from the mainspring to the glide wheel and observe what happens when regulation is disabled.

Model limitations

This is a regulation schematic, not a complete electrical circuit diagram of the Tri-Synchro Regulator.

Understand how it works

Neither quartz nor mechanical: the Grand Seiko Spring Drive ↗

Find the detailed explanation, technical background and sources in the accompanying article.

More models in the Workshop ↗

Share preview image: Lume — original AI-assisted composition

Search the journal

Take a closer look.