ROLEX, REF. 16618, SUBMARINER DATE "SULTAN DIAL", YELLOW GOLD | Important Modern & Vintage Timepieces. | Geneva, March 21st, 2020 ROLEX, REF. 16618, SUBMARINER DATE "SULTAN DIAL", YELLOW GOLD, Fine and rare 18k yellow gold, center seconds, self-winding diver's Chronometer wristwatch with blue revolving bezel, diamond and sapphire indexes.