Corum, Bubble Diver, Men's, Stainless Steel, Rubber, Automatic Movement.  

The Corum Bubble watch is the original domed sapphire crystal timepiece. Bold and daring, nothing about these models are timid. The oversized proportions of the Corum Bubble Diver fit perfectly together. Built to take the plunge, this rugged watch features a bi-directional bezel that makes it easy to determine how long you have been underwater. Driven by precision Swiss automatic movement, the Corum Bubble Diver is the perfect underwater companion.