Side by side

Fortis Stratoliner S-41vsSartory Billard SB10

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
SB10
Sartory BillardSB10
MSRP $3,800

At a glance

13 of 29 specs differ
Diameter
Stratoliner S-4141mm
SB1039.5mm
Power Reserve
Stratoliner S-4160h
SB1055h
Water Resistance
Stratoliner S-41200m
SB1080m
MSRP
Stratoliner S-41$5,450
SB10$3,800

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
41mm
39.5mm
Thickness
14mm
11.5mm
Lug-to-Lug
44.5mm
Lug Width
21mm
20mm
Water Resistance
200m
80m

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
None
Super-LumiNova BGW9

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
LJP G100
Power Reserve
60h
55h
Jewels
36
25
Complications
None
Jumping Hour

Pricing

1 specs
MSRP
$5,450
$3,800

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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.

Sartory Billard SB10

The Sartory Billard SB10 features a unique jumping hour and perimeter hour ring design, with functional grater plates that are not practical for actual grating due to a blocked-off side. Owners note the absence of a seconds hand, minute tick marks, and a conventional crystal. On balance, owners appreciate the unique design elements of the Sartory Billard SB10, despite its impractical features.

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