What is a bumper movement?

A bumper movement is an early automatic watch mechanism where the rotor swings back and forth with a distinct physical tap rather than rotating fully. This mechanical style defines many pieces from the 1950s and offers a direct connection to early self-winding technology.

How do I wind a manual watch?

Manual wind watches require turning the crown clockwise by hand until resistance is felt to tension the mainspring. Doing this daily keeps the mechanical movement running accurately without an automatic rotor.

Are these watches waterproof?

While originally designed with water-resistant capabilities, vintage models should not be submerged today. Age degrades the original seals and gaskets, meaning modern water exposure risks internal moisture damage.

What is the Seamaster DeVille?

The Seamaster DeVille is a slim dress watch variant introduced during the 1960s that combined water resistance with a refined profile. These pieces feature cleaner lines suited for formal wear while retaining the core Seamaster identity.