1990 pocket watch with inline movement #02

Based onto a 19-line sized Zenith pocket watch calibre. One day power reserve, wound and setted with key from the back. Carriage in form of "R". Inline escapement with "flying" escape wheel. Compensated bimetal balance and blue steel hairspring with Breguet-overcoil. Solid silver case to open on the back. The key is contained by the screw locked "pendant".