Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsSugess Seestern S434 Pro Diver

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
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

15 of 29 specs differ
Diameter
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Seestern S434 Pro Diver40mm
Power Reserve
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Seestern S434 Pro Diver40h
Water Resistance
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
Seestern S434 Pro Diver200m
MSRP
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399
Seestern S434 Pro Diver$249

Full specifications

Case

5 specs
Thickness
13.5mm
12mm
Lug-to-Lug
48mm
46mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Finish
—
Brushed and polished
Caseback
Solid
Engraved

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
—
2 Salmon
Indices
—
Applied
Lume
None
Super-LumiNova BGW9

Movement

5 specs
Caliber
Seiko NH35
NH35
Beat Rate
0 vph
3 vph
Power Reserve
0h
40h
Jewels
0
25
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$399
$249

Follow this matchup

Get a note when Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 vs Sugess Seestern S434 Pro Diver 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
Traska Freediver Arctic
Traskamicro

Freediver Arctic

Ref. FRD-WHT-NDT-V7
40mm·Automatic·200m WR
$735MSRP
—Used
William Wood Fearless
William Woodmicro

Fearless

3 variantsFearless
39mm·Automatic·100m WR
$920MSRP
—Used
Phoibos Leviathan
Phoibosmicro

Leviathan

2 watches · 5 variantsLeviathan
40mm·Automatic·200m WR
$399MSRP
—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
Serica Ref. 5330 Diving Chronometer Date
Sericamicro
Diving Chronometer

Ref. 5330 Diving Chronometer Date

Ref. 5330-chronometre-plongee-date
39mm·Automatic·300m WR
$2,005MSRP
—Used
Boldr BOLDR x Nitecore
Boldrmicro
Limited Editions

BOLDR x Nitecore

Ref. boldr-x-nitecore-kraken
38mm·Automatic·200m WR
$449MSRP
—Used
Traska Seafarer Charcoal
Traskamicro

Seafarer Charcoal

3 variantsRef. SEA-BLK-V3
40mm·Automatic·150m WR
$665MSRP
—Used
All alternatives to the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 →All alternatives to the Seestern S434 Pro Diver →
Explore the full catalog
Adjacent matchups

People also compared

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

Sugess Seestern S434 Pro DivervsZelos Swordfish 3Sugess Seestern S434 Pro DivervsWilliam Wood FearlessSugess Seestern S434 Pro DivervsBoldr The T Rex By Boldr X NitecoreBOLDR x NitecorevsSugess Seestern S434 Pro DiverTraska Freediver ArcticvsIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsPhoibos Leviathan
Edit this comparisonAdd another watchMore diver comparisonsBest Diver Watches Under $500Explore more 39–41mm watches