Side by side
Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsHelgray Poseidon Diver (Automatic)
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 Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Poseidon Diver (Automatic)40mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316—
Poseidon Diver (Automatic)40h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
Poseidon Diver (Automatic)300m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
Poseidon Diver (Automatic)$249
Full specifications
Case
6 specsCategory
GMT
Diver
Thickness
14mm
12mm
Lug-to-Lug
48mm
46mm
Finish
—
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid
Crystal & Dial
3 specsAR Coating
Underside
Inner
Dial Color
—
Black
Indices
—
Applied
Movement
4 specsCaliber
Seiko NH34
NH35 Warranty
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25
Pricing
1 specsMSRP
$379
$249
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