Side by side

Fortis Stratoliner S-41vsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

12 of 29 specs differ
Diameter
Stratoliner S-4141mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Stratoliner S-4160h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Stratoliner S-41200m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Stratoliner S-41$5,450
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
41mm
46mm
Thickness
14mm
18mm
Lug-to-Lug
55mm
Lug Width
21mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
White
Anthracite

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Sellita SW220-1
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$3,250

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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.

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.

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

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