Side by side

Zelos Nasa Edition (sellita)vsMarathon Steel Navigator SSNAV Auto

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300

At a glance

10 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
Steel Navigator SSNAV Auto41mm
Power Reserve
Nasa Edition (sellita)40h
Steel Navigator SSNAV Auto40h
Water Resistance
Nasa Edition (sellita)50m
Steel Navigator SSNAV Auto60m
MSRP
Nasa Edition (sellita)$629
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

5 specs
Category
Dress
Pilot
Diameter
39mm
41mm
Thickness
7.6mm
11.5mm
Lug-to-Lug
39mm
48mm
Water Resistance
50m
60m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
NASA Edition (Sellita)
Black

Movement

2 specs
Caliber
ETA/Peseux 7001
Sellita SW200-1
Type
Manual
Automatic

Pricing

1 specs
MSRP
$629
$1,300

Follow this matchup

Get a note when Zelos Nasa Edition (sellita) vs Marathon Steel Navigator SSNAV Auto gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Nasa Edition (sellita)

The Zelos Nasa Edition (sellita) is praised for its thinness, stemming from its hand-wound Sellita SW215 movement, and is noted for its good size and wearability. The watch features a 39mm case, a 45mm lug to lug, and a 20mm lug width. On balance, owners rate the Zelos Nasa Edition (sellita) highly for its comfortable dimensions and thin profile.

Marathon Steel Navigator SSNAV Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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.

Adjacent matchups

People also compared

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