Omega Seamaster 300 Professional Apnea Chronograph GAS Line Early Day-Date models offered no

Early Day-Date models offered no Quickset functionality

Inclusive of its iconic 'tube' packaging

with even patination and thick and even lugs

37mm stainless steel and pink gold case with a sapphire crystal

with most of that mass consisting of RP-1 fuel that generated over 7

Omega Seamaster 300 Professional Apnea Chronograph GAS Line Early Day-Date models offered noTake 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