Vacheron Constantin

Recently, I communicated with two collectors, and they both asked same question. , Maltese cross case shape, where the lugs and the middle case join, there are two different shapes. I quote the photos from Phillips Auction. I don't know this detail whethe...  

This style of lug is also seen on references 6073 and 6099 (after an internet search), and the more commonly seen design appears to be the fuller style that meets closer together along the top of the caseband. Regards, Baruch

casemaker's mark , Geneva Key

This lug style was used on several Chronometre Royal references besides the 6111. From the few I've looked at, the straight version appeared on watches of newer manufacture, ca. 1960s. If you are compiling a spreadsheet, another variable worth checking is... 

thanks for your reminding (photo deleted at poster's request) Different refs have different diameters. I also found that Chronometre Royal appeared many times in past auctions, but in fact this model used caliber453. I guess its 33.5mm used other referen...  

Chronometre Royal caliber 1007 / caliber 453

(photo deleted at poster's request) Chronometre Royal,caliber 1007 used caliber454 , Chronometre Royal ,used caliber1008. many times in past auctions , advertidment printed mormal model, maybe used caliber454. But I haven't seen one which used the K454....  

also used other bracelet My friend, a Chinese collector, had an in-depth conversation with me this morning. He believed that the traces of the lugs on the backcase were caused by the wear of the original bracelet, and the case and bracelet were later modi...  

with that analysis. It seems the bracelets links which attach to the case are manufactured differently for the two styles of lugs.

The information which I have ， my personal experience and ability are not enough to make an accurate judgment directly, so I am asking questions here. My friend's judgment is as follows: Initially, a bracelet like 6073 was used, but there was a gap betwee...  

and I don't know what they do. ...  

some refecences of Chronometre Royal used this type GF bracelet. at least, the Phillips 6111 changed bracelet the lugs shape changed or not is a matter of opinion. ...  

Data is more accurate, but in the past, we have made many mistakes, often relying on images and intuition to judge.