Side by side

Fortis Stratoliner S-41vsSeestern S446 GMT

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

Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450
S446 GMT
SeesternS446 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Stratoliner S-4141mm
S446 GMT39.5mm
Power Reserve
Stratoliner S-4160h
S446 GMT41hh
Water Resistance
Stratoliner S-41200m
S446 GMT100m
MSRP
Stratoliner S-41$5,450
S446 GMT$299

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
41mm
39.5mm
Thickness
14mm
13mm
Lug-to-Lug
47mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal Shape
Flat
Domed
Dial Color
White
Cream

Movement

5 specs
Caliber
Manufacture Caliber WERK 17
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
60h
41hh
Jewels
36
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$5,450
$299

Follow this matchup

Get a note when Fortis Stratoliner S-41 vs Seestern S446 GMT 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.

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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

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.