Jaeger-LeCoultre

I've been offered a gold Reverso Duoface. It's had a hard life, but is keeping good time. On the case there are two numbers. One , I assume, is the model number and the other for the case or the watch itself; 270.1.54 1769xxx Would you please advise me wh... 

I referred to this in another thread recently. I thought the second number on the case (seven digits, no stops) was the serial number of the individual watch. Is that what you mean by “case number”? But what is the other number? It is clearly not the refe... 

Th first number: The model, then the case material ( 8=Steel ) then the bracelet or strap material ( 4 ), then the dial color or a random number. Hope this helps a bit... ...  

If the final two digits are meant to indicate the colour of the dial, it’s odd that the TT1931 (black) the Rouge (red) and the London edition (green) all use the same number. The annoying thing is that it doesn’t seem possible to positively relate a parti... 

Best, É.

a standard gt reverso duo in gold (hence 1.54.. mine in steel is 8.54, rose gold seems to be 2.54). 25x case prefix is traditional classique. Later ones should have the 1000hrs and fish logo to rear of cradle, and pusher that isn’t recessed, along with ro...