EXTREMELY RARE LIMITED EDITION & COLLECTIBLE, NWT, with original plastic on crown & clasp. New in original box. Never worn or sized. Purchased from authorized Ball dealer.

　　1,000 limited to 250 of black, of blue, of white, & brown).

　　Tritium tube illumination (52 tubes including many on each of ALL three sundials).

　　Swiss automatic ETA/valjoux 7750, 25 jewel movement, 7,500 g shock resistance, 28,800 bph vibration speed. -40 c temp tolerance.

　　600m water resistance with automatically deploying helium pressure relief valve & fully functional chronograph pushers at that depth. 4mm thick anti-reflective sapphire crystal.

　　Solid titanium & stainless steel combination bracelet with folding Ball logo clasp & diver's wet suit extension.

　　Additional (new) rubber bracelet/strap.

　　Engraved screw down case back. Unidirectional rotating bezel. Patented exclusive Ball crown protection.

　　Includes Trieste model metal sub with stand  (all commemorative of Trieste bathescaph sub's record 35,761 ft. mariana trench dive).

　　Note: Ball describes Tritium tubes as designed with approximately 25 year manufacturer renewable or replaceable life expectancy.  This new item was manufactured approximately 13 years ago & is within last 120 of the 1000 created. Very probably the last complete NWT based upon my extensive research.