Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsGrand Seiko SBGX359

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
SBGX359
Grand SeikoSBGX359

At a glance

18 of 29 specs differ
Diameter
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm
SBGX35933mm
Power Reserve
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
SBGX35940h
Water Resistance
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m
SBGX359100m
MSRP
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429
SBGX359

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
38mm
33mm
Thickness
13mm
9.1mm
Lug-to-Lug
44.5mm
39.7mm
Lug Width
20mm
15mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Engraved screw-in back
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
Seiko NH36
9F51
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$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.

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.

Grand Seiko SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

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