Omega

Hi all, Contrary to what one might think there has not been only two types of case for speedmaster, straight lug and lyre lug. The final shape emerged with 145,022 and not 105,012.(information oméga) As you can see from the picture, these two 105,012 ( me...  

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is it at all possible that its a 105.003 with a 105.012 caseback? there's no mention in any of the books about this watch and in fact they distinctly state that the 105.012 is the first with assymetric case with curved lugs. the first pics are interesting... 

An here's a lyra-lugged just a few S\Ns up the line from the first one in my previous message (it was 22,824,483, this following one is 22,824,329, delivered in Zurich on 29 December 1964: Researching this, recently, I have found a few examples on the net...  

i think that the 'parts bin' theory is very possible, but do we have any evidence that the case backs are original to the cases? its is entirely possible that they became damaged in some way and were replaced with later ones. who knows? the wonderful myst... 

;-)

…were the manufacturers of both straight-lugged and lyra-shaped 105.012 cases I've seen.

with the 105.012 caseback are put togethers. I think it is more likely that the marriage of the two happened after the watch left the factory.

exactly what i think as there's no documentary evidence to suggest they left the factory together. Graham

“… is the bane of our profession.” Sherlock Homes Personally, I am on the lookout for more examples, and keeping an open mind.

Reference books, advertisements such as you have posted, internet material including the work of folks like Chuck Maddox and others and your theory of a 105.012 caseback in a 105.003 (or similar straight lug case) is simply not supported. As they say, wit... 

firstly you say that in your opinion these are put together after they left the factory, a theory i totally agree with, but then you say that evidence IS there and say that my theory of casebacks being changed is not supported. could you please clarify wh... 

that there is NO support for this combination having been done at the omega factory. That all the evidence we have (and for the cal. 321 speedmaster it is considerable) is that the 105.012 case back left the omega factory only with the twisted lugs case. ... 

my apologies, i understand you now. best Graham

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the advert just highlights what we have always thought. a 105.012 has an assymetric case and lyra lugs. interestingly i didnt think the casebacks on straight lug models would fit on a lyra lug model. i will have to try on mine tomorrow. if they dont fit t... 

well Francois, the cases are smaller on the 105.003 as are the lug widths so 'perhaps' the casebacks are different. they could well be the same. i'll experiment after good nights dreaming. best Graham

For information this two 105.012 have lyra lugs...note the variation of profile case. This is not polishing cause... There are at least two profiles asymmetric case.....mystery ! did www.servimg.com " target="_blank" > " border="0" alt="Image hébergée par...  

i dont even have a theory for this Francois other than bad workmanship on one case. it may be an idea to search references for later cases 'just' in case one of them is a later case with everything put in it and the original 105.012 caseback put on. yes, ... 

Hello Everyone... This weekend I will get my 105.012 first style with bombe / lyra lugs and my First generation Speedy Pro 145.022 . I am doing this from memory right at this moment but not only the side profile is diferent but also the bombe / lyra twist...