Watch Renovation: Lanco

Some notes on a watch which I’m renovating Text on dial: Lanco - Incabloc - Swiss made Text on case back: Lanco - Waterproof - Antimagnetic - Shockprotected - Stainless steel case back Data Measurements are done by me, and might not be the official numbers. Width: 34mm Length: 42mm Height: 10.8mm Lug-to-lug: 16mm Movement: ? Case: Looks like gold plated nickle. Crystal: Acrylic Problems Mainspring is broken Troubleshooting steps Opened up and cleaned all parts....