Favre Leuba Bivouac Ref 53203.
I have a huge fascination for vintage Favre Leuba, and especially the Bathy Fifty, a smart mechanical depth gauge in a wrist watch, and... The Bivouac, which is an altimeter AND a barometer, both mechanical. I already posted the Bathy Fifty, let's now see...
What a charming piece
I love the colors and of course the complication is cool. Super vintage charm. Do you know what year it is from?