Longines Ultra-Chron

18k Gold Cased Longines Ultra-Chron, Uni-directional brushed white dial with gold plaque chapter markers except for date window at three, with partial luminous gold stick type hands and extra fine gold sweep second indicator, movement is 17 jewel ref. 431 nickel movement, in a solid gold case with heavy internal steel centering ring for undersized movement, adjusted 3 positions. Non-quick set with pressure fit lexan crystal. Non-original leather strap.