Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

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Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
IslanderIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
MSRP $399
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
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At a glance

13 of 29 specs differ
Diameter
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

4 specs
Diameter
40mm
42mm
Thickness
13.5mm
12.9mm
Lug-to-Lug
48mm
48.6mm
Finish
—
Brushed and polished

Crystal & Dial

4 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
—
Black
Indices
—
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Seiko NH35
6R54
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$399
$1,500
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