The latest model is a NASA issue watch and the first with Tritium vials!!! The GSA released the description and the NSN number NSN: 6645-20-001-9382 (NASA Diver's Contract) The other NSN number is that for SAR-tecs to whom this watch is issued by the Canadian government NSN: 6645-21-558-0133Q (Canadian SAR Contract)
These are LARGE WATCHES and have 20 mm lugs with drilled holes and weigh in at 93 grams. The crown is 6.5mm diam x 5.50mm long, deep knurled for a good grip even with gloves just like the bezel.
The Dials measure 27.7mm and utilize Tritium vials for luminescence. The
This picture shows the very tasty Marathon Automatic NSN Number 6645-21-558-0133

Specification Details:
Intended Use: Dive, Search and Rescue (SAR)
Uni-Directional Elapsed Time Ring (60 minutes-120 clicks)
Analogue dial with date(cyclops magnifier)
Water resistant to 30 atmospheres (1000 ft)
Automatic self-winding 25j ETA 2824 movement(Swiss)
Stainless Steel 316L water tight case with engraved back. Sapphire Crystal. Screw down crown.
Black face features luminous hands and hour markings. Sweep second hand with luminous triangle.
Luminous Features are powerd by Maraglo
This watch is made in accordance with ISO 6425 and Government of Canada requirements. As well, this watch is manufactured in accordance with GSA Stocked Item Purchase Description-Now under contract to GSA (US Government).
These Dive Watches come with natural rubber rubber mil-spec strap (swiss made)
Expect to pay around US$700 or £390 or €550
I can source these and other Marathon watches so if interested email info@military-watches.net
OTHER MARATHON MODELS
Marathon
WATCH, WRIST NAVIGATORS
MIL-W-46374F/6645-01-364-4042
This watch has a 12 Hour GMT bezel. Quartz movement, hacking. Tritium gas-tubeluminescence. User serviceable battery. Composite case and acrylic crystal. Nylon issue strap. Water resistant to 6 ATM. 42mm X 11mm x
20mm lug width.
This is the current (2000) incarnation of the Navigator's Wristwatch. It follows a long line of so called Navigator's watches from
Despite it's no nonsense and strict utilitarian approach to design, the watch still looks elegant because of an all black construction. As a milwatch collector, I find it quite striking in its own way.
Many will decry its quartz movement. Once again, this watch was never built for the civilian consumer. This is a watch that was built for a service life of 5 to 10 years, after which time the watch could be tossed out and replaced. Not every one is going to put the rigorous demand on this watch that it was designed for. Quite conceivably, it could last a lifetime with a modicum of nurturing and care. I have seen mint examples of
The factory site only supply the military but if you email us we have a few contacts. Our email address is info@military-watches.net
Not a lot really. Maybe a Traser P6506 see
http://www.traserh3watches.com/en/watches/detail.php?kat=2&watch=6
or an MWC Self Luminous Special Forces Diver seehttp://www.mwcwatches.co.uk/mwcwatches/product_info.php?products_id=93
If you think you have been offered a Fax
Email: postmaster@marathonwatch.com
Phone: (800) 822-4329
From Outside