No Image Lot 447 Omega Seamaster a stainless-steel Chronograph with Co-Axial chronometer escapement the dial signed 447Omega Seamaster a stainless-steel Chronograph with Co-Axial chronometer escapement the dial signed Bearnes Hampton & Littlewood Omega Seamaster a stainless-steel Chronograph with Co-Axial chronometer escapement the dial signed Omega Seamaster Professional, Co-Axial Chronome... Add to watchlist Live