Side by side

Fortis Marinemaster M-44vsIslander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

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 Automatic Turtle Dive Watch with Blue Dial #ISL-301
IslanderIslander Automatic Turtle Dive Watch with Blue Dial #ISL-301
MSRP $399

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4444mm
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm
Power Reserve
Marinemaster M-4438h
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
Water Resistance
Marinemaster M-44300m
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m
MSRP
Marinemaster M-44$5,120
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399

Full specifications

Case

6 specs
Diameter
44mm
45mm
Thickness
14mm
15mm
Lug-to-Lug
47mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Embossed screw-in caseback

Crystal & Dial

4 specs
Crystal Shape
Flat
Double Domed
AR Coating
Inner
Underside
Dial Color
Orange
Indices
Applied

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH36
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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