WORLD FIRST: A HELIUM RELEASE VALVE BUILT INTO THE CROWN. The Engineer Hydrocarbon NEDU represents major technological innovation in the design of diving watches. Dedicated to the Navy Experimental Diving Unit (NEDU) – a United States Navy unit responsible for rolling out operational diving and decompression rules for the US Armed Forces – the NEDU timepiece is a tool watch of the highest order, featuring extraordinary water resistance and technology strong enough for military missions.Built from chromed pure black ceramic, the uni-directional rotating bezel is exceptionally resistant to corrosion, scratches and ultraviolet rays. Its ergonomic contours ensure precise handling even when wearing diving gloves, while the oversized numerals and graduation enable immediate legibility. Supporting the bezel are two chamfers cut into the case flange, acting like drains to expel any trapped water. On the aviator-inspired dial, revolutionary micro gas tubes shine at each hour index and on the main hands for easy readability. The 3, 6 and 9 o’clock markings feature double gas tube markings, while the 12 o’clock position is adorned with a pair of ultra-distinctive gas tubes for quick orientation in darkness. The second time-zone GMT hand tops this all off with green gas tubes, in tribute to BALL’s corporate colors. Along with 600 meter water resistance, the NEDU features a world first in watchmaking: the automatic helium release valve is directly incorporated into the crown. This patented BALL innovation allows helium, hydrogen and other gases to safely escape during decompression – eliminating damage. The chronograph functions are also fully operational under water thanks to the design of the pushers. The automatic BALL RR1402-C movement is a chronograph caliber that measures and indicates elapsed time up to 12 hours. Its COSC certified precision is protected by anti-shock and anti-magnetic technology. The self-winding movement is securely housed inside a robust 42mm case with a thickness of 17.3mm, while the case back features a diver motif echoing NEDU’s official emblem. WEIGHT Approx. 200g MOVEMENT Automatic caliber BALL RR1402-C Chronometer certified COSC SIZE (CASE) Ø 42mm, height 17.3mm WATER RESISTANCE 600m/2000ft ANTI-MAGNETISM 4,800A/m MICRO GAS TUBES 21 micro gas tubes on hour, minute, second hands, dial and pushers for night reading capability FUNCTIONS Hours, minutes, subsidiary seconds, day and date Underwater operable chronograph with accumulated measurement up to 12 hours Patented helium release crown 7,500Gs shock resistance CASE MATERIAL Grade 5 titanium Top ceramic luminous unidirectional rotating bezel CROWN Patented crown protection system CRYSTAL Anti-reflective sapphire crystal 3.7mm DIAL COLOR Blue BRACELET Tapered titanium and stainless steel bracelet with patented folding buckle & extension system LUG TO LUG 53.55mm International Warranty Built to exceed traditional Swiss watchmaking standards, your BALL watch is warranted by BALL Watch Company SA for a period of forty-eight months because you benefit from a "Premium" warranty card from the date of purchase under the terms and conditions of this warranty. You are cordially invited to register your timepiece on the BALL site www.ballwatch.com within 90 days of purchase for a free extended twelve months warranty. This will effectively cover your BALL watch for a total of sixty months warranty period. The international warranty covers material and manufacturing defects existing at the time of delivery of the purchased watch. The warranty will only be valid when the warranty card is dated, fully and correctly completed and stamped by Tachymeters - Authorized Dealer of BALL Watch Company SA. During the warranty period and by presenting the valid warranty card, you will be entitled to free of charge servicing of any repair carried out for the above manufacturing defects. In the event that repairs are unable to restore the normal conditions, BALL Watch Company SA guarantees its replacement by a BALL watch of identical or similar characteristics. The warranty for the replacement watch ends twenty-four months after the date of replacement of the replaced watch. The international warranty does not extend to the bracelet, strap, buckle or crystal, normal wear, tear and ageing, nor does it cover any damage on any part of the watch resulting from abnormal/abusive use, lack of care, negligence, incorrect use of the watch and non-observance of the operating instructions provided by BALL Watch Company SA. We reserve the right to relinquish all responsibilities under this guarantee for repair if the watch has been handled by unauthorized persons or if it has been altered in its original condition beyond BALL Watch Company SA’s control. Shipping the watch to one of our authorized service centers will be at the expense of the customer.
