Side by side

Citizen Eco-DrivevsFortis Stratoliner S-41

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

Eco-Drive
CitizenEco-Drive
MSRP $338
Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450

At a glance

13 of 29 specs differ
Diameter
Eco-Drive42.3mm
Stratoliner S-4141mm
Power Reserve
Eco-Drive40h
Stratoliner S-4160h
Water Resistance
Eco-Drive100m
Stratoliner S-41200m
MSRP
Eco-Drive$338
Stratoliner S-41$5,450

Full specifications

Case

6 specs
Category
Casual
Chronograph
Diameter
42.3mm
41mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
Lug Width
20mm
21mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Green
White

Movement

4 specs
Caliber
J800
Manufacture Caliber WERK 17
Type
Solar
Automatic
Power Reserve
40h
60h
Jewels
25
36

Pricing

1 specs
MSRP
$338
$5,450

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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.

Citizen Eco-Drive

Citizen Eco-Drive watches are widely praised for exceptional durability and reliability, with many owners reporting theirs lasting over a decade without issue and some even suggesting they are "Buy It For Life" (BIFL) models. Owners appreciate the ease of use and reliability of the solar-powered quartz movement, with one noting their watch was only off by 2 minutes after five years of disuse. Specific models are noted for their engineering marvels, such as the world's thinnest light-powered watch at 2.98mm thick, a 100-day power reserve, and materials like cermet bezels and titanium construction with sapphire crystals. However, a few users have experienced malfunctions, including one chronograph that stopped keeping time shortly after purchase, requiring a lengthy warranty repair. The battery can degrade and may need replacement after 20+ years, and owners suggest keeping the watch charged in light to prolong its life.

Fortis Stratoliner S-41

Owners widely praise the Fortis Stratoliner S-41 for its purpose-built design and outstanding details, particularly its space blue lume and bright orange date on the dial. Reviewers note the WERK 17 movement offers a 60-hour power reserve. However, the Fortis Stratoliner S-41's 41mm case thickness and lug-to-lug distance lead some to perceive it as wearing large, and the dial's small text and flat design are flagged as potential drawbacks. Overall, owners and reviewers highlight the Fortis Stratoliner S-41's unique design and innovative movement as its primary strengths.

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