Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsSeestern S450 Ocean Star

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
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

19 of 29 specs differ
Diameter
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm
S450 Ocean Star40mm
Power Reserve
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
S450 Ocean Star41h
Water Resistance
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m
S450 Ocean Star100m
MSRP
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399
S450 Ocean Star$299

Full specifications

Case

8 specs
Diameter
45mm
40mm
Thickness
15mm
12mm
Lug-to-Lug
47mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Embossed screw-in caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Double Domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Indices
Applied
Lume
None
Tritium

Movement

5 specs
Caliber
Seiko NH36
TMI NH35A
Beat Rate
0 vph
21,600 vph
Power Reserve
0h
41h
Jewels
0
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$399
$299

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