Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsGrand Seiko SLGW005

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
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

16 of 29 specs differ
Diameter
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
SLGW00538.8mm
Power Reserve
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
SLGW00580h
Water Resistance
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
SLGW00530m
MSRP
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399
SLGW005$9,700

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
38.8mm
Thickness
13.5mm
10.4mm
Lug-to-Lug
48mm
43.7mm
Lug Width
20mm
19mm
Finish
Brushed and polished
Water Resistance
200m
30m

Crystal & Dial

3 specs
AR Coating
Yes
Yes
Dial Color
Black
Indices
Applied

Movement

5 specs
Caliber
Seiko NH35
9SA4
Type
Automatic
Manual
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
80h
Jewels
0
25

Pricing

1 specs
MSRP
$399
$9,700

Follow this matchup

Get a note when Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 vs Grand Seiko SLGW005 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.

Adjacent matchups

People also compared

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