Omega “Bumper” Automatic 10-20-23670


A bumper refers to a watch that has a "pendulum" based automatic winding mechanism. In these movements there is no rotor but rather weight that swings. When the weight reaches the end of its motion, it usually bumps against a shock absorbing spring. It has a distinct feeling when wearing it on the wrist and you can actually feel the bumping.

The term "bumper" describes Omega's early automatic movements on which the rotor had only ~130 degrees of travel (unlike modern self-winding movements that allow for a full 360 degree rotation).

These were the first automatic movements made by Omega. This watch features a a cal. 344. 

Inv. number 10-20-23670

Omega “Bumper” Automatic 10-20-23670

IMG_5891_Omega Bumper Front.jpg
IMG_5893_Omega Bumper top.jpg
IMG_5894_OMEGA BUMPER bottom.jpg
IMG_5895_Omega Bumper Back.jpg
IMG_5897_Omega Bumper Face down.jpg
IMG_2563.jpg
IMG_5891_Omega Bumper Front.jpg
IMG_5893_Omega Bumper top.jpg
IMG_5894_OMEGA BUMPER bottom.jpg
IMG_5895_Omega Bumper Back.jpg
IMG_5897_Omega Bumper Face down.jpg
IMG_2563.jpg

Omega “Bumper” Automatic 10-20-23670

1,200.00

A bumper refers to a watch that has a "pendulum" based automatic winding mechanism. In these movements there is no rotor but rather weight that swings. When the weight reaches the end of its motion, it usually bumps against a shock absorbing spring. It has a distinct feeling when wearing it on the wrist and you can actually feel the bumping.

The term "bumper" describes Omega's early automatic movements on which the rotor had only ~130 degrees of travel (unlike modern self-winding movements that allow for a full 360 degree rotation).

These were the first automatic movements made by Omega. This watch features a a cal. 344. 

Inv. number 10-20-23670

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