SOLD 1950 Omega Seamaster bumper automatic - Birth Year Watches
Rima Bumper Automatic Watch 1940's - Farfo.com
Questions on bumper calibers | Omega Forums
1950's Vintage Jaeger LeCoultre Power Reserve Bumper Automatic Stainle – Second Time Around Watch Company
Sold Price: Wrist watches- 2 (Two): Both Omega, the first a Ref. F6212, 17 jewel cal. 344 bumper automatic movement, Arabic numeral and lozenge marker metal dial, gold filled case, serial #13495338,
Vintage Zenith automatic bumper movement caliber 133.8 - 219568
SOLD c1940 Richard bumper automatic - Birth Year Watches