Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsSeestern S456 GMT

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

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
IslanderIslander Automatic Turtle Dive Watch with Blue Dial #ISL-301
MSRP $399
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

19 of 29 specs differ
Diameter
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm
S456 GMT41mm
Power Reserve
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—
S456 GMT41hh
Water Resistance
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m
S456 GMT200m
MSRP
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399
S456 GMT$299

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
45mm
41mm
Thickness
15mm
13mm
Lug-to-Lug
47mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
—
Brushed + Polished
Caseback
Embossed screw-in caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Double Domed
Flat
AR Coating
Underside
Inner
Dial Color
—
Sunray style, applied and Diamond cut Indices, C1 lume
Indices
—
Applied
Lume
None
C1

Movement

5 specs
Caliber
Seiko NH36
Seiko NH34
Beat Rate
0 vph
3 vph
Power Reserve
0h
41hh
Jewels
0
24
Complications
None
GMT

Pricing

1 specs
MSRP
$399
$299

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