Side by side

Fortis Marinemaster M-40vsIslander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

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

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
IslanderIslander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
MSRP $429

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4040mm
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm
Power Reserve
Marinemaster M-4038h
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
Water Resistance
Marinemaster M-40300m
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m
MSRP
Marinemaster M-40$3,520
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429

Full specifications

Case

6 specs
Diameter
40mm
38mm
Lug-to-Lug
44.5mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Engraved screw-in back

Crystal & Dial

4 specs
Crystal Shape
Flat
Double Domed
AR Coating
Inner
Yes
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
$3,520
$429

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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 Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

The Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 is praised for its screw pins, milled scissor clasp, and embossed ceramic bezel, offering excellent specifications for its price. Owners note its better alignment compared to some alternatives and appreciate its design inspiration. Overall, owners rate the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 highly for its build features and value.

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