It is all about the dial! This 33.5mm. 1961 OMEGA SEAMASTER has a stunning original white dial having arrow steel and baton markers and original Dauphine hands. The manual winding OMEGA caliber 552 movement was just cleaned and is accurately keeping time. The stainless steel case measures 33.5mm. and still has the correct vintage winding crown. This OMEGA case glistens and has the desired raised SEA MONSTER logo on the case back