The Sea Urchin is a brand new offering from Ticino. This model is a very solid vintage diver watch. It’s a 41mm all brushed stainless steel case design, secured by screws. It comes on a very comfortable rubber strap that also looks real nice on this particular watch model. The movement is of top quality made by Seiko. The watch has a raised and domed scratchproof sapphire crystal. The bezel is scratchproof ceramic with lume. You can feel comfortable diving with this watch to 660 feet below the ocean.