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| Vintage chronograph advertisement with measurements https://www.breitlingsource.com/phpBB2/viewtopic.php?f=11&t=60243 |
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| Author: | Joseph85282 [ Tue Apr 05, 2016 7:28 am ] |
| Post subject: | Vintage chronograph advertisement with measurements |
This ad is well circulated on forums and shows most of the the 17x series with measurements in lignes ('''). Does anyone know what the measurements are for? The diameter of the uncased dials? Also, any idea what the phrase "extra plat" means (next to the ref. 176 and ref. 178)? 
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| Author: | Roffensian [ Tue Apr 05, 2016 7:31 am ] |
| Post subject: | Re: Vintage chronograph advertisement with measurements |
It's a ligne measurement for the movement - https://en.wikipedia.org/wiki/Ligne Extra plat = extra flat in French, i.e. a thin watch. |
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| Author: | Joseph85282 [ Tue Apr 05, 2016 7:43 am ] |
| Post subject: | Re: Vintage chronograph advertisement with measurements |
Thanks! And that leads to my next dumb questions.... Don't the 17x's watches all have a Venus 170 movement? And if so, how could the movements in this series have different measurements? |
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| Author: | WatchFred [ Tue Apr 05, 2016 8:13 am ] |
| Post subject: | Re: Vintage chronograph advertisement with measurements |
not dumb at all. as far as I know, all 17x had the Venus 170 - and that clearly is a 12.5 lignes movement, no larger versions exist afaik. as the lignes info indicates movement siozes in the catalogs typically I would have automatically replied the same as Roff; but in this case the lignes numbers apparently indicate dial sizes as you thought. |
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| Author: | saabreit [ Tue Apr 05, 2016 9:24 am ] |
| Post subject: | Re: Vintage chronograph advertisement with measurements |
Just measuring my stainless steel 178 ( NOS case ) , the thickness of the complete case - with caseback and crystal = 11.08mm . Diameter = 34.96mm . Dial aperture = 32.40mm . I have compared with a NOS 734 case ,thickness 12.08mm dia 37.42mm , dial aperture 34.47mm |
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| Author: | vintage [ Tue Apr 05, 2016 7:22 pm ] |
| Post subject: | Re: Vintage chronograph advertisement with measurements |
I've been after the ref 179 for a while since it appears to be a strangely larger case. Only seen one and it was in poor condition. |
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