Omega Bumper Chronometre Collection

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MSNWatch shares a stunning visual tribute to Omega's vintage bumper chronometers, showcasing a diverse collection of Centenaries, Seamasters, and Constellations. This post highlights the aesthetic variations and historical significance of these early automatic movements, offering a rare glimpse into a specialized area of Omega collecting. His detailed photography allows enthusiasts to appreciate the nuances of different calibers and case designs.

Here are some of the omega bumper chronometres in my collection:

A trio of 35mm Centenaries with the cal. 30.10 JUB

Next up is a pair with the cal. 333 though one of the dial s is likely not original to the watch

Then a pair with the cal. 343 one in YG and the other in steel

Then 5 Seamasters with the cal. 352 - the last one in the group is a 36mm version in 18k PG

Then a rare trio of constellations with the cal. 352 - one in PG, another in YG and the last is YG cap

And finally 5 connies with the cal. 354 - 2 with black guilloche dials, one in NOS with a white guilloche dial and an uncommon globemaster

Key Points from the Discussion

The serial number 21 million indicates a production year of circa 1964 for Omega watches, with a typical allowance of +/- 2 years, noting that Speedmasters follow a different serial list.
Gold-capped finishes, common in the 1960s, are a good quality intermediate finish that can be polished without losing their gold layer, unlike thinner plating.
For detailed examination and dating of a vintage Omega, macro photos of the dial and movement, along with case metal information, are crucial.
The smaller dimensions of vintage watches, particularly from the bumper movement era, offer a more discreet and less conspicuous wearing experience compared to modern jumbo-sized counterparts.
The yellow gold Star Wheel from the early 1990s is a rare piece, notable as one of the first rotating disc wristwatches.
A black-dialed Seamaster Calendar can closely resemble a Constellation in appearance.

The Discussion

G99

Mar 23, 2009

it seems to be more obsessive than focused but only in a good way. you've got some of my favourite looking constellations in there especially the black dials. will there be a focused collection of handwinds and auto's? best Graham

FanFrancisco

Mar 23, 2009

i have been looking for one constellatin, but not successful so far. until now, only managed to get these 3 omega... stefan

G99

Mar 23, 2009

thats a very nice black dialled seamaster calendar Stefan. not far off the look of a constellation. best Graham

FanFrancisco

Apr 20, 2009

hi Graham, finally got this constellation chronometer cal.551, 5x signed, would like to share it with you. stefan

G99

Apr 20, 2009

lets have case metal, macro's of the dial and movement pics so we can date it and examine it in detail. i like that style of lug. its often found on piepan dialled steel cases from the early 60's. a nice shape which hasnt been spoilt by over buffing which can easily happen. nice purchase. i'm giving vintage Omegas a rest for a bit. i'd 'like' a 1964 Railmaster, but the chances of finding one are slim so i'm saving slowly for a new piece off my wishlist. something German with very few hands. best

FanFrancisco

Apr 21, 2009

hi Graham, after opening the caseback, here is the details: case number: 167.005 movement: 21221321 i think it was roughly made/ca. 1962? btw, learnt that it seems quite rare to have cross-hair for this model? am i right? cheers, stefan

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