Side by side

Oris Aquis Pro 4000mvsFortis Stratoliner S-41

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

Aquis Pro 4000m
OrisAquis Pro 4000m
MSRP $6,900
Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450

At a glance

18 of 29 specs differ
Diameter
Aquis Pro 4000m49.5mm
Stratoliner S-4141mm
Power Reserve
Aquis Pro 4000m120 hoursh
Stratoliner S-4160h
Water Resistance
Aquis Pro 4000m4,000m
Stratoliner S-41200m
MSRP
Aquis Pro 4000m$6,900
Stratoliner S-41$5,450

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
49.5mm
41mm
Thickness
14mm
Lug Width
26mm
21mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
4000m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Blue
White
Indices
Applied

Movement

5 specs
Caliber
CALIBRE 400
Manufacture Caliber WERK 17
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
60h
Jewels
21
36
Complications
Date
None

Pricing

1 specs
MSRP
$6,900
$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.

Oris Aquis Pro 4000m

The Oris Aquis Pro 4000m is widely acknowledged as a substantial dive tool, with reviewers and owners alike noting its impressive 49.5mm diameter and 23.4mm to 25mm thickness. Despite its size, the titanium case and comfortable rubber strap contribute to surprisingly good wearability for some, though others find its dimensions impractical for daily wear. The patented Rotation Safety System for the bezel is praised for its intelligence and functionality, while the in-house Calibre 400 movement offers a 120-hour power reserve and a 10-year warranty. One owner notes that the clasp's quick-adjust pushers can be unintentionally activated during watch removal. Overall, owners and reviewers regard the Oris Aquis Pro 4000m as a stunning, albeit chunky, tool watch whose impressive specifications are its primary draw.

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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