This Rolex Explorer II with reference 16570 has a deep black "swiss only" dial. The Swiss Only mark refers to the change from tritium to superluminova, only produced for a couple of years. The watch was produced by Rolex back in 1999. It has a sharp 40mm stainless steel oyster case with nice bevels and is strapped on the original stainless steel Oyster bracelet (78790 with X clasp code). The bracelet is in great condition with virtually no stretch. The watch runs on the automatic Rolex calibre 3185. The movement was completely serviced by our watchmaker and is running great and comes with 2 year warranty. The watch is overall in great condition, ready for your next adventure or trip to the office. It comes as a nice set together with the original box, papers, tags, booklets.