Omega Seamaster 300 Professional Apnea Chronograph GAS Line this watch includes its factory

this watch includes its factory warranty card dated 4/28/2015

and a luminous blue ceramic wave dial with a matching skeletonized-sword handset

Inclusive of its iconic 'tube' packaging

Early Day-Date models offered no Quickset functionality

There's a shift in today's vintage marketplace toward watches where the provenance--the complete history of the watch's ownership--is known

Omega Seamaster 300 Professional Apnea Chronograph GAS Line this watch includes its factoryTake a deep breath. Now hold it. The first minute or so is usually a cake walk. But once you start entering two minute territory and above, your lungs will start to burn, your heartbeat gets louder and the seconds hand on your wristwatch gets slower, and slower and slower, until your lungs cramp and you have no choice but to gasp for air. Welcome to the life of a freediver! Professional Freedivers are athletes who are able to dive to mind boggling