Side by side

Fortis Marinemaster M-44vsIslander 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.

Marinemaster M-44
FortisMarinemaster M-44
MSRP $5,120
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
Marinemaster M-4444mm
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Power Reserve
Marinemaster M-4438h
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Water Resistance
Marinemaster M-44300m
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
MSRP
Marinemaster M-44$5,120
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399

Full specifications

Case

6 specs
Diameter
44mm
40mm
Thickness
14mm
13.5mm
Lug-to-Lug
—
48mm
Lug Width
22mm
20mm
Finish
Brushed and polished
—
Water Resistance
300m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$5,120
$399

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