Vintage 1981 Omega Seamaster Keybolt compressor stainless steel automatic date watch Ref. 166.0042.  TV shape case measures 40mm L x 33mm W x 8mm H shows a few scratches from normal use.  Omega logo crown gold plated crown with 2-part split stem. Stainless steel case back with Seamaster Hipocampus logo in good condition.

Original acrylic crystal in good condition. Original linen texture gold color dial with applied gold and onyx stick hour markers.  Dial is signed Omega Seamaster under the 12 marker.  Dial shows slight denting at upper left.

Omega 24 jewel automatic rotor movement is running well and keeping time with date change and quickset are functioning well.  Movement winds set and runs and keeps time to within about a minute  per day in 3 positions. Watch is likely water resistant but was not tested at pressure. Watch stem has 3 stops. First stop winds watch 2nd stop stets hands and 3rd stop changes date in window.

Aftermarket black crocograin leather band will fit up to a 7.75 inch wrist .