Rolex Air King Box a true workhorse caliber used

a true workhorse caliber used extensively throughout the motorsports heyday

and a matching blue rubber strap with a signed deployant clasp

all of this functionality is solar-powered with a 10-month power reserve

Rolex took the Calibre 3135—introduced in 1988 and found in everything from the Submariner to the Datejust—and gave it a Parachrom hairspring

Rolex Air King Box a true workhorse caliber usedThe Air King is an oddball in the modern Rolex catalog, but its roots are nothing short of fascinating. Legend has it that during the Second World War, British aviators in the RAF were sometimes known to purchase Rolex Oyster watches for use as personal timepieces, and that certain of these may even have seen combat during the Battle of Britain. Rolex founder Hans Wilsdorf then named a series of watches after these intrepid warriors of the skies, with