The Omega Automatic 2897, caliber 491, no date, small seconds, will cost on average between 300 and 1500 USD, depending on condition and materials used - stainless steel or solid yellow or rosé gold. 18k gold stamps should be on the lugs and the crown should be signed with the Omega symbol. The 19 jewel movement has the stamp as well of course.
[size=medium][font=Tahoma]There are of course different models to be found, with plain markers or arabic, steppe

Made in Geneva Switzerland, the Omega Genève Automatic, depicted here in this thread, caliber 565, with date, will cost on average between 300 and 1500 USD, depending on condition and materials used - stainless steel or solid yellow or rosé gold. 18k gold stamps should be on the lugs and the crown should be signed with the Omega symbol. The movement has the Omega stamp as well of course.
[size=medium][font=Verdana]There are some models of relatively poor

The Omega Seamaster Cosmic 1968 depicted in this thread, reference number 166.026, has a stainless steel case measuring 34 mm. Inside is a 24 jewel movement caliber 565, but other movements were used over a period of over two decades, like the 601 or the 613.
Starting in the late forties the Cosmic line sported many different faces, from the spectacular moonphase cream white dials to the spartan plain greys. Not withstanding this, a lot - but not all - of the Cosmics have a particular kind of f

The Omega pictured in this thread from 1964 has the hand wound caliber 601. Gold capped and at 33 mm it is the entry level watch of quality for  the old school gentlemen. This one has developed an interesting and evenly spread patina, often however this is not the case (pun intended) and the dial should be considered as "just junk". This of course explains many a redial; it's a fact of life, Omega watches of the 50s and 60s do not always maintain their integrity and dial decay sets in. Usually t