Side by side
Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition40mm
Power Reserve
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition72h
Water Resistance
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition300m
MSRP
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition$1,550
Full specifications
Case
4 specsThickness
13.5mm
13mm
Lug-to-Lug
48mm
46.4mm
Finish
—
Brushed and polished
Water Resistance
200m
300m
Crystal & Dial
5 specsCrystal Shape
Flat
Curved
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 specsCaliber
Seiko NH35
6R55
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$399
$1,550
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 vs Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionvsZelos Swordfish 3Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionvsWilliam Wood FearlessSheffield 1AvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionGeckota Sea-Hunter Dive WatchvsIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsLorier Hydra SIII












