Heirloom Jewellery Silver & Timepieces
May 30 - 31, 2022
Winning Bid
Automatic movement, calibre 501, gold case with cream coloured dial with applied golden batons for hours. Crafted hands for hour, minute and second. Solid gold snap-on case back. Leather strap with pin buckle. Dial and movement signed.
A ‘Bumper’ is an early automatic movement. Unlike a modern automatic, where the rotor spins a full 360 degrees, the rotor of a bumper moves back and forth about 130 degrees, bumping off of a pair of springs on opposite sides. The “bumper” describes an Omega's early automatic movements.