Up for grabs is an Omega Railmaster
2914-1 reference, first execution with plain caseback
155684XX serial number circa late 1957 production with Omega Extract of Archives to confirm this.
I would say superb vintage condition case. No corrosion, no pitting, clear and sharp edges and bevels. Skinny logo crown.
Dial is original, radium in very good vintage condition. Never refinished or relumed. Dial is still active about .25 with Geiger counter. Hands are original Omega, but were probably replaced during an early service as -1 generally has broad arrow hands.
Caseback is original and correct without any out engraving and stamped 2914-1 inside.
Watch comes on vintage leather strap (please note that I will put it on a different strap than the one in pictures, as it appears to be a bit too narrow. Same strap but correct width. Didn’t realize until after taking pics.
Watch comes with Omega Extract of Archives
No box or other accessories. No documented service history. Currently winds and runs well.