Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsGrand Seiko SBGA413

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

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
IslanderIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
MSRP $399
SBGA413
Grand SeikoSBGA413
MSRP $7,200

At a glance

16 of 29 specs differ
Diameter
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
SBGA41340mm
Power Reserve
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
SBGA41372h
Water Resistance
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
SBGA413100m
MSRP
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399
SBGA413$7,200

Full specifications

Case

7 specs
Category
Diver
Dress
Thickness
13.5mm
12.8mm
Lug-to-Lug
48mm
47mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Finish
—
Brushed and polished
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Yes
Dial Color
—
Black
Indices
—
Applied

Movement

5 specs
Caliber
Seiko NH35
9R65
Type
Automatic
Spring Drive
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
25

Pricing

1 specs
MSRP
$399
$7,200

Follow this matchup

Get a note when Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 vs Grand Seiko SBGA413 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Zelos Swordfish 3
Zelosmicro

Swordfish 3

40/42mm
2 watches · 35 variantsSwordfish
40/42mm·Automatic·200m WR
$399MSRP
—Used
Yema Wristmaster Slim Small Seconds CMM.29
Yemamicro

Wristmaster Slim Small Seconds CMM.29

2 watches · 8 variantsWristmaster
39mm·Automatic·100m WR
$2,249MSRP
—Used
William Wood Fearless
William Woodmicro

Fearless

3 variantsFearless
39mm·Automatic·100m WR
$920MSRP
—Used
Cincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. Legacy
Cincinnati Watch Companymicro

The Cincinnatian - Sold Out. Discontinued. Legacy

Ref. the-cincinnatian
38mm·Manual
$1,000,000MSRP
—Used
Boldr The T Rex By Boldr X Nitecore
Boldrmicro

The T Rex By Boldr X Nitecore

Ref. the-t-rex-by-boldr-x-nitecore
40mm·Automatic·200m WR
$499MSRP
—Used
Lorier Hyperion SII
Loriermicro

Hyperion SII

2 watches · 2 variantsHyperion
39mm·Automatic·200m WR
$699MSRP
—Used
Boldr BOLDR x Nitecore
Boldrmicro
Limited Editions

BOLDR x Nitecore

Ref. boldr-x-nitecore-kraken
38mm·Automatic·200m WR
$449MSRP
—Used
Geckota Sea-Hunter Dive Watch
Geckotamicro

Sea-Hunter Dive Watch

6 variantsSea-Hunter
40mm·Automatic·200m WR
$349MSRP
—Used
All alternatives to the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 →All alternatives to the SBGA413 →
Explore the full catalog
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Grand Seiko SBGA413vsZelos Swordfish 3Grand Seiko SBGA413vsWilliam Wood FearlessGrand Seiko SBGA413vsBoldr The T Rex By Boldr X NitecoreBOLDR x NitecorevsGrand Seiko SBGA413Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsYema Wristmaster Slim Small Seconds CMM.29Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsCincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. Legacy
Edit this comparisonAdd another watchExplore more 39–41mm watches