Marathon SSNAV-D AUTO Instruction Manual page 3

41MM STEEL NAVIGATOR W/ DATE AUTOMATIC
The original Steel Navigator was developed in partnership with Kelly Air Force Base
in 1986 under NSN: 6645-01-150-8115. Marathon has now re-engineered Navigator
in Steel with an Automatic movement for all-day wear with no battery required.
The Steel Navigator w/ Date Automatic features: Enhanced tapering of lug for a
more comfortable fit; Bezel size increased for improved grip with flight gloves and
inset-painted indices for better legibility; Sapphire crystal for increased altitude
rating, scratch resistance, and clarity; SW200-1 movement with date complication for
precision and reliability.