4Z Watch is the world’s largest online platform for Buy Luxury Watches powered by technology, innovation, and unparalleled worldwide expertise in the luxury watch market. This Sea Dweller is an ar factory base watch with modded 3135 movement. Has been completely taken down and polished rebuilt back to better then factory perfection and placed back in with meticulous details to the work. For more information to contact us at (727)888-0195.