What is a bumper automatic movement?

A bumper automatic utilises an oscillating weight that swings back and forth rather than rotating in a full circle, creating a distinct physical tap against internal springs as it winds. This early self-winding technology was widely utilised during the 1950 period before full rotor mechanisms became standard.

How do I care for a vintage watch?

These mechanical timepieces require gentle handling, protection from moisture, and regular servicing by a qualified horologist to keep the internal gears functioning smoothly. Avoid exposing older leather straps and acrylic glass to excessive water or extreme temperatures to preserve their original condition.

What distinguishes a Seamaster from a Geneve?

The Seamaster line originally focused on water-resistant sports and utility watches, whereas the Geneve collection typically offered refined dress watch aesthetics. Both series share high-grade automatic movements, but their case designs and dial layouts reflect different intended uses.

How are gold cases marked?

Solid gold cases feature official hallmarks stamped into the metal, indicating the purity standard such as 9ct or 18ct gold. Gold-plated and gold-filled versions use stamps or text references to denote the metal composition and thickness of the exterior gold layer.