These Marathon 20mm Nylon Watch Straps are genuine Military issue.
This watch band is a one piece construction military type -
Standard: 20mm (¾inch) wide, length 25cm (9 ¾ inches) orX-Long: 20mm (¾inch) wide, length 30cm (12 inches).
Intended use: replacement strap for Navigator or Diver wristwatch. This bracelet comes with non-magnetic stainless steel Buckle. Watch strap is manufactured in accordance with watch strap specification MIL-S-46383B Type III.
To be used on Marathon Navigator wristwatches:
Marathon part number WW194001 Navigator Watch NSN 6645-01-364-4042)Marathon part number WW194013 Navigator Watch with date NSN 6645-01-364-4042 with date)Marathon part number WW194006 & WW194007 Dive watch (NSN's: 6645-21-558-0133 & 6645-20-001-9382)