Luminox Watch Pacific Diver Chronograph 3140 Series Blackout XS.3141.BO.1.SET. This sleek and sporty design boasts a 44mm stainless steel case with a CARBONOX? unidirectional bezel, a vital instrument for any diver. The chronograph with a black dial features a rubber strap with a quick release system C allowing for an easy and perfect fit. As with every other Luminox timepiece, this Pacific Diver incorporates Luminox Light technology, making sure that your timepiece is visible in any condition for up to 25 years.