For sale is my Omega Seamaster Professional Co-Axial Chronograph reference 212.30.42.50.01.001. It's an automatic COSC chronograph chronometer. It has the co-axial escapement and ceramic bezel. 41.5 mm in diameter and in near mint 95% condition. Screw down crown, waterproof to 300m. Black dial and bezel. Keeps great time. All functions work perfectly, no issues. Still covered under Omega warranty.

Comes on the Omega SMP "Bond" style bracelet with wetsuit extension.

Caseback seen here. Red dot intact.

Very nice lume too.

This  Omega Seamaster Professional Chronograph comes with double boxes, wallet with 2 cards, manual and extra links. Still covered under Omega 4 year warranty until 2018.