Side by side

Marathon Steel Navigator SSNAV-D AutovsSmiths Armstrong Siddeley

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
Armstrong Siddeley
SmithsArmstrong Siddeley
MSRP $980
Buy from Marathon ↗
Buy used on eBay ↗
Buy from Smiths ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Armstrong Siddeley42mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Armstrong Siddeley—
Water Resistance
Steel Navigator SSNAV-D Auto60m
Armstrong Siddeley100m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Armstrong Siddeley$980

Full specifications

Case

7 specs
Category
Pilot
—
Diameter
41mm
42mm
Thickness
11mm
12mm
Lug-to-Lug
48mm
52mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
100m

Crystal & Dial

1 specs
Dial Color
Black
Cream

Movement

3 specs
Caliber
Sellita SW220-1
Unitas 6498
Type
Automatic
Manual
Power Reserve
40h
—

Pricing

1 specs
MSRP
$1,400
$980
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
96Zero Watches The Field Watch
96Zero Watches
Field Watch

The Field Watch

Ref. the-field-watch
42mm·Automatic·100m WR
$507MSRP
—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
Aigi Watches ARCTIC GMT
Aigi Watches

ARCTIC GMT

4 variantsRef. arctic-gmt
41mm·Automatic·200m WR
$560MSRP
—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
Alkin Watches Model Two
Alkin Watches

Model Two

3 variantsRef. copy-of-model-two-black-dial-ss-case
41mm·Automatic·300m WR
—MSRP
—Used
Marathon Arctic OSAR 41mm Automatic
Marathonmicro
OSAR

Arctic OSAR 41mm Automatic

6 watches · 6 variantsOSAR
41mm·Automatic·300m WR
$1,800MSRP
—Used
Aryon Waves Summer Automatic
Aryon

Waves Summer Automatic

Ref. aryon-waves-summer-automatic
42mm·Automatic·100m WR
$589MSRP
—Used
All alternatives to the Steel Navigator SSNAV-D Auto →All alternatives to the Armstrong Siddeley →
Explore the full catalog

Follow this matchup

Get a note when Marathon Steel Navigator SSNAV-D Auto vs Smiths Armstrong Siddeley 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.

Smiths Armstrong SiddeleyvsYema Flygraf NavigatorAVI-8 Sabiha Gökçen 24-Hour Automatic Limited EditionvsSmiths Armstrong SiddeleyCWC Valjoux 7733 Pilot Chronograph Limited Edition WatchvsSmiths Armstrong SiddeleyMarathon Arctic OSAR 41mm AutomaticvsSmiths Armstrong SiddeleyMarathon Steel Navigator SSNAV-D AutovsSmiths Armstrong Siddeley Sewills Ferreira PRS-39 coin-edge/fluted-bezel onion-crown 3-hand, Roman numerals + small-secondsMarathon Steel Navigator SSNAV-D AutovsSmiths Armstrong Siddeley Richmond Spencer round smooth-bezel 3-hand, printed Roman numerals + small-seconds
Edit this comparisonAdd another watchExplore more 40–43mm watches