Islander Automatic GMT Diver with Blue Waffle DialvsSeiko Prospex Sea
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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.
Automatic GMT Diver with Blue Waffle Dial
Prospex Sea
Diameter
42mm
43.8mm
Lug-to-Lug
46mm
lowest
48.7mm
Thickness
14mm
12.8mm
lowest
Water Resistance
200m
200m
Power Reserve
n/a
41h
MSRP
$499
lowest
$625
Movement
Seiko NH34
Seiko 4R35
Case
4 specsDiameter
42mm
43.8mm
Thickness
14mm
12.8mm
Lug-to-Lug
46mm
48.7mm
Caseback
Screw-down
n/a
Crystal & Dial
3 specsCrystal Shape
Double Domed
n/a
AR Coating
Underside
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH34
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23
Pricing
1 specsMSRP
$499
$625
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