Side by side

Fortis Stratoliner S-41vsIslander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

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
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
IslanderIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
MSRP $399

At a glance

14 of 29 specs differ
Diameter
Stratoliner S-4141mm
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Power Reserve
Stratoliner S-4160h
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Water Resistance
Stratoliner S-41200m
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
MSRP
Stratoliner S-41$5,450
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
41mm
40mm
Thickness
14mm
13.5mm
Lug-to-Lug
—
48mm
Lug Width
21mm
20mm
Finish
Brushed and polished
—

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
—
Indices
Applied
—

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
0h
Jewels
36
0

Pricing

1 specs
MSRP
$5,450
$399

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