A Rare and Highly Collectible SINN Vintage Compressor Chronograph Switzerland, 1960s
Matte, black, presumably Singer made black dial with tritium luminous mass, baton hour markers, white syringe tritium hands
All stainless steel compressor case with screwback caseback, bi-directional bezel, serial: 1188
40mm
High grade Valjoux 726 manual wind movement, 17 jewels
New handmade Italian, black calf leather rallye strap
