Side by side

Marathon Steel Navigator SSNAV-D AutovsMKII Project 300

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400
Project 300
MKIIProject 300
MSRP $1,995
Buy from Marathon ↗
Buy used on eBay ↗
Buy from MKII ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Project 30041.25mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Project 300—
Water Resistance
Steel Navigator SSNAV-D Auto60m
Project 300300m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Project 300$1,995

Full specifications

Case

6 specs
Category
Pilot
—
Diameter
41mm
41.25mm
Thickness
11mm
13.45mm
Lug-to-Lug
48mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
300m

Crystal & Dial

1 specs
Dial Color
Black
—

Movement

2 specs
Caliber
Sellita SW220-1
ETA 2824-2
Power Reserve
40h
—

Pricing

1 specs
MSRP
$1,400
$1,995
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Yema Flygraf Navigator
Yemamicro

Flygraf Navigator

5 watches · 7 variantsFlygraf
40mm·Automatic·100m WR
$1,199MSRP
—Used
Magrette Kaitiaki
Magrettemicro

Kaitiaki

Ref. kaitiaki
42mm·Automatic·500m WR
—MSRP
—Used
AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition
AVI-8micro

Sabiha Gökçen 24-Hour Automatic Limited Edition

3 variantsSabiha Gökçen
42mm·Automatic
$465MSRP
—Used
Pook Watches Ilmari40
Pook Watchesmicro

Ilmari40

Ref. ilmari40-limited
40mm·Automatic·100m WR
—MSRP
—Used
CWC Valjoux 7733 Pilot Chronograph Limited Edition Watch
CWCmicro
Cabot Chronograph

Valjoux 7733 Pilot Chronograph Limited Edition Watch

Ref. cwc-1982-british-military-chronograph
40mm·Automatic·100m WR
$4,163MSRP
—Used
CWC 1980 RN Divers Automatic Re-Issue Watch
CWCmicro
Heritage Re-Issue

1980 RN Divers Automatic Re-Issue Watch

Ref. reissue-1980-royal-navy-diver-automatic
41mm·Automatic·300m WR
$2,458MSRP
—Used
Marathon Arctic OSAR 41mm Automatic
Marathonmicro
OSAR

Arctic OSAR 41mm Automatic

6 watches · 6 variantsOSAR
41mm·Automatic·300m WR
$1,800MSRP
—Used
Crafter Blue Mechanic Ocean Mark II
Crafter Bluemicro

Mechanic Ocean Mark II

2 variantsRef. crafter-blue-mechanic-ocean-mark-ii-mo2ss007-hk-limited-edition-shipping-date-nov-2024
41mm·Automatic·300m WR
—MSRP
—Used
All alternatives to the Steel Navigator SSNAV-D Auto →All alternatives to the Project 300 →
Explore the full catalog

Follow this matchup

Get a note when Marathon Steel Navigator SSNAV-D Auto vs MKII Project 300 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

MKII Project 300vsYema Flygraf NavigatorAVI-8 Sabiha Gökçen 24-Hour Automatic Limited EditionvsMKII Project 300CWC Valjoux 7733 Pilot Chronograph Limited Edition WatchvsMKII Project 300Marathon Arctic OSAR 41mm AutomaticvsMKII Project 300Magrette KaitiakivsMarathon Steel Navigator SSNAV-D AutoMarathon Steel Navigator SSNAV-D AutovsPook Watches Ilmari40
Edit this comparisonAdd another watchExplore more 40–43mm watches