Side by side

Islander Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50vsSeiko Astron GPS Solar 2025 Limited Edition

Q: Which is cheaper, the Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 or the Seiko Astron GPS Solar 2025 Limited Edition?

At MSRP the Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 is the cheaper of the two at $399, against $2,600 for the Seiko Astron GPS Solar 2025 Limited Edition — a $2,201 gap before any retailer discounting.

Q: Which is bigger, the Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 or the Seiko Astron GPS Solar 2025 Limited Edition?

The Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 wears larger at 43mm versus 42mm for the Seiko Astron GPS Solar 2025 Limited Edition — a 1mm difference across the dial.

Q: Which has better water resistance, the Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 or the Seiko Astron GPS Solar 2025 Limited Edition?

The Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 is rated to 200m versus 10m for the Seiko Astron GPS Solar 2025 Limited Edition.

Q: What movement does the Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 run compared to the Seiko Astron GPS Solar 2025 Limited Edition?

The Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 runs a automatic caliber (Seiko NH36), while the Seiko Astron GPS Solar 2025 Limited Edition runs a quartz (3X62).

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

Islander Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50

islander-43mm-automatic-dual-time-watch-with-solid-link-bracelet-ar-sapphire-cry

MSRP $399

Seiko Astron GPS Solar 2025 Limited Edition

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MSRP $2,600

At a glance

18 of 29 specs differ

Diameter

Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-5043mm

Astron GPS Solar 2025 Limited Edition42mm

Power Reserve

Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50—

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50200m

Astron GPS Solar 2025 Limited Edition100m

MSRP

Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50$399

Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

8 specs

Diameter

43mm

42mm

Thickness

14mm

12mm

Lug-to-Lug

46mm

47.9mm

Lug Width

22mm

14mm

Material

Stainless Steel

Titanium

Finish

—

Brushed and polished

Water Resistance

200m

100m

Caseback

Engraved screw-in back

Solid

Crystal & Dial

4 specs

AR Coating

Yes

Super-clear coating

Dial Color

—

Black

Indices

—

Applied

Lume

None

LumiBrite on hands and index(es)

Movement

5 specs

Caliber

Seiko NH36

3X62

Type

Automatic

Quartz

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$399

$2,600

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