Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsSan Martin Watchdives X 39mm NH34 GMT Dive SN0121B
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
Watchdives X 39mm NH34 GMT Dive SN0121B
Diameter
40mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
13.5mm
n/a
Water Resistance
200m
300m
highest
MSRP
$349
$269
lowest
Movement
Seiko NH35
Seiko NH34
Case
6 specsDiameter
40mm
39mm
Thickness
13.5mm
n/a
Lug-to-Lug
48mm
n/a
Lug Width
20mm
n/a
Water Resistance
200m
300m
Caseback
Solid
n/a
Crystal & Dial
3 specsCrystal Shape
Flat
n/a
AR Coating
Yes
n/a
Dial Color
n/a
n/a
Movement
1 specsCaliber
Seiko NH35
Seiko NH34
Pricing
1 specsMSRP
$349
$269
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