Side by side

Bremont ionBirdvsMarathon Steel Navigator SSNAV Auto

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

ionBird
BremontionBird
MSRP $5,800
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300

At a glance

9 of 29 specs differ
Diameter
ionBird43mm
Steel Navigator SSNAV Auto41mm
Power Reserve
ionBird40h
Steel Navigator SSNAV Auto40h
Water Resistance
ionBird
Steel Navigator SSNAV Auto60m
MSRP
ionBird$5,800
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

6 specs
Diameter
43mm
41mm
Thickness
11.5mm
Lug-to-Lug
48mm
Lug Width
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
60m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Black

Movement

1 specs
Caliber
Sellita SW200-1

Pricing

1 specs
MSRP
$5,800
$1,300

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What people say

Owners + reviewers, side by side

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

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

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.

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