Marathon SSNAV-D User manual
SSNAV-D
STEEL NAVIGATOR W/ DATE MANUAL PART NO. WW194013
SWISS MADE. |CANADIAN DESIGNED. NSN: 6645-01-698-4275
For detailed specs, reviews and additional
information about the SSNAV-D watch, scan the QR
code or visit our website online.
WWW.MARATHONWATCH.COM |@MARATHONWATCH
MAN-013SS-01
41MM STEEL NAVIGATOR W/ DATE
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 under NSN: 6645-01-698-4275 with improvements to the function, features,
accuracy, and durability.
The Steel Navigator w/ Date features: Enhanced tapering of lug for a more
comfortable t; Bezel size increased for improved grip with ight gloves and
inset-painted indices for better legibility; Sapphire crystal for increased altitude
rating, scratch resistance, and clarity; ETA F06.412 High-Torque Quartz movement
for unmatched accuracy with date complication – a rst, for any Steel Navigator.
Case Diameter
Case Thickness
Lug to Lug
Drilled Lug Width
Case
41mm
11mm
48mm
20mm
316L Stainless Steel
SPECIFICATIONS BEZEL MARKER WITH TRITIUM
TRITIUM HOUR MARKERS
SECONDS HAND
BI-DIRECTIONAL BEZEL
DATE
SCREW-DOWN CROWN
20MM LUGS
MINUTE HAND WITH TRITIUM TUBE
HOUR HAND WITH TRITIUM TUBE
TECHNICAL INFORMATION
Movement
Number of Jewels
Accuracy
Calendar
Luminous Features
ETA F06.412 HeavyDrive-PreciDrive Quartz
3
± 10 s/year
Date
Tritium Gas Tubes
Crystal Type
Crown Type
Bezel Type
Bezel Scale
Scale Quantity
Scale Range
Submersibility
Sapphire
Screw-Down
Bi-Directional
12 Hour
2
1 - 12 (13 - 24)
10 ATM – 100 meters (300 feet)
TRITIUM GAS TUBES
CONSTANT ILLUMINATION
The SSNAV-D uses self-contained tritium gas tubes to ensure constant
visibility in low light situations. A gas tube is placed on each hour marker
and hand. These tubes are self-illuminating and contain an isotope of
hydrogen, that will not dull down over time like photo-luminescent paint.
WATER RESISTANCE
The SSNAV-D is made from 316L surgical-grade stainless-steel with a
screw-down crown and a synthetic sapphire crystal that allow it to operate
while submerged down to 100 meters or 300 feet underwater.
10 ATM – 100 M (300 FT)
EXTENDED BATTERY LIFE
OVER 4+ YEAR BATTERY LIFE
The SSNAV-D is equipped with a low-power consumption movement,
with an EOL (End-of-Life) display, whereby the seconds hand advances in
4 second increments when the battery needs a replacement.
SWISS CRAFTMANSHIP
LA CHAUX-DE-FONDS, SWITZERLAND
Inside the SSNAV-D is a Swiss-made, 3 jewel, ETA F06.412 HeavyDrive-
PreciDrive, quartz movement. These watches are hand-assembled in
La Chaux-de-Fonds, Switzerland and guarantee the highest level of
craftsmanship and accuracy.
1. Clean watch often.
Clean regularly using rubbing alcohol, a toothbrush and a microbre cloth.
2. Service regularly.
Regular servicing every four to six years will help to keep your movement
running with Marathon-level precision. For servicing requests, contact our team
GENERAL OPERATIONS & MAINTENANCE 3. Always set it forward.
During events such as daylight-savings, you might be inclined to wind your
watch back an hour, however this can put undue stress on the movement of your
watch. Always move the hands forward to reach your desired time setting.
4. Swimwithcondence.
Once the crown of the watch is fully secured our SSNAV-D Watch is rated
for 10ATM and are water resistant to a depth of 100 meters (300 feet).
4321SETTING THE TIME
1. Unscrew and pull the crown from position 1 to position 4.
2. Turn the crown clockwise to adjust the time.
3. Ensure correct AM/PM settings so that the date wheel changes
at midnight and not mid-day.
4321SETTING THE DATE
1. Unscrew and pull the crown from position 1 to position 3.
2. Turn the crown clockwise to change the date.
CAUTION: Do not adjust the date wheel between 9pm and 3am as this may
damage the watch movement.
The crown must be screwed down in position 1 for optimal
water-resistance.
4321 LOCKING THE CROWN
From position 2, push the crown into position 1 and rotate clockwise to lock the
crown back into place.
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