Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
IslanderIslander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
MSRP $429
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

16 of 29 specs differ
Diameter
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

7 specs
Diameter
38mm
41mm
Thickness
13mm
14mm
Lug-to-Lug
44.5mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Engraved screw-in back
Solid

Crystal & Dial

4 specs
Crystal Shape
Double Domed
Flat
AR Coating
Yes
Inner
Dial Color
Anthracite
Indices
Applied

Movement

4 specs
Caliber
Seiko NH36
Sellita SW200-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$2,100

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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.

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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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