This $40 Watch Was Supposed To Be Unrepairable

This is a forty-dollar watch. Not four hundred. Not four thousand. Forty.

When I found this vintage Benrus on eBay, it was listed as "non-working," and for good reason. Inside the case was a bent escape wheel pivot—only 0.11mm in diameter. In most shops, this would be a "parts watch." But there was something about that linen dial and the red seconds hand that made me stop scrolling.

In this video, we aren't just doing a standard service. We’re performing a full repivot—drilling into a hardened steel arbor to turn and fit a new pivot by hand. It’s a job where a single mistake means the watch never runs again.

In this episode: Opening the front-loading Benrus case Identifying the ETA 2391 movement

The Repivot: Drilling, turning, and burnishing a 0.11mm pivot

Dealing with a "set" mainspring

Restoring the radium hands and the forgotten design of a $40 masterpiece

Some watches are expensive because of the name on the dial. Others are valuable because of the history we choose to save.

Support the Studio: If you enjoy these deep dives into mechanical history, consider supporting the channel on Patreon: https://patreon.com/thewatchmakerstudio

Tools used in this restoration: Jacot Lathe Horia Jeweling Tool Watchmaker's Lathe Arkansas Stone & Pivot Files Uberkiwi Cleaner - https://www.diywatchcleaner.com