Limited Edition of 500 Pieces. Delma Watch Shell Star Black Tag Automatic Limited Edition 44501.670.6.151. Delma watches ability to deliver innovative and reliable timepieces has always been a result of a dedicated team. To ensure Delma stay up to date with the latest developments in the industry, thier skilled personnel are continuously trained and new equipment is introduced. Together Delma are able to consistently produce timeless watches that evolve with the demands of our clients and our collaboration with exceptional partners.