so far my newly acquired speedmaster racing is running at + 1second per day. Amazing accuracy

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Love it man nice choice ! Mine is around 3 years old now and still running great !




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FYI those are chronometer grade and cosc.

Oddly this is over looked on this series of watches. I own the watch that bridges sometimes referred to as a date other times racing. It is the interim model that links the date and racing models which is also a chronometer. I forget if the Speedy dates are chronometers though.

 

That's awesome accuracy!!!

 

The last iteration were. Same for the day/date. To the OP, I've owned that same watch for almost a year, and it still maintains the same accuracy as yours. The only downside I've noticed is the jerky, uneven movement of the sweep seconds hand. It got a lot better after I stopped staring at it. Even better if the chronograph is turned off.

 

Technically it's a Speedy Date to Omega but has aspects of the more traditional Date line and Racing. I also think that the movement was only in this Speedmaster

I was thinking the ones before this one. Are they Chronometers?

 

Love mine too, no accuracy issues here!

 

If you are referring to the many versions using the Cal 1151 and 1152 versions of the ETA 7750 series, no they are not COSC rated watches. However the Cal. 1164 version found in SMP chronographs are COSC rated, so it depends on the specific watch. Even of not COSC rated, that doesn't mean they can't be very accurate though - this is one I just sent back to the owner this week:



Although not COSC rated, the 1152 was running very well:



Delta over 6 positions was 3.6 seconds, and for comparison Omegas COSC watches require this number to be less than 12 over 5 positions, so this greatly exceeds that standard. It's rare that any 7750 variant I've ever worked on has not had good timekeeping.

Cheers, Al

 

my speedmaster racing is WAY faster than yours !!!

 

i wonder if there is a software for android phone that uses phone camera to get the time from the watch and automatically log the time of the watch...

 

View attachment 356281 here she is with my new original rubber strap the watch has now settled down to half a second per day truly amazing

 

No.

 

Accuracy or not that is one good looking watch

 

As previously stated last month, I have never any issue with mine. Although I may sell due to lust for another, but that is my own fickleness! Can't keep them all.