Side by side

Bremont Altitude Perpetual Calendar GMTvsFortis Stratoliner S-41

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

Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450
Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450

At a glance

11 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Stratoliner S-4141mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Stratoliner S-4160h
Water Resistance
Altitude Perpetual Calendar GMT
Stratoliner S-41200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Stratoliner S-41$5,450

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
42mm
41mm
Thickness
12.65mm
14mm
Lug Width
22mm
21mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Blue
White

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Power Reserve
40h
60h
Jewels
25
36

Pricing

1 specs
MSRP
$38,450
$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.

Bremont Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

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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