Rolex Submariner 5517/5513

A RARE STAINLESS STEEL AUTOMATIC CENTRE SECONDS WRISTWATCH MADE FOR THE BRITISH ROYAL NAVY CIRCA 1973 REF 5517/5513 SUBMARINER stainless steel diameter 40 mm , • cal. 1520 automatic nickel lever movement, 26 jewels • black dial with encircled "T" above the depth markings, luminescent dot, baton and triangle indexes, luminous sword hands • Oyster case, black revolving bezel calibrated for 60 units, screw down crown with protective shoulders and case back • case, dial and movement signed