That?s an interesting piece
By: PeterCDE : January 7th, 2004-09:21
Hi Syuji, interesting! I suspect this to be a 1940?s GP 27 or GP 30 calibre (based on an AS1130 ebauche), of which GP had several versions. These are 13 ligne (almost 30mm) movements and quite nice ones, very reliable and sturdy. Here?s another one: What ...