Which is cheaper, the Islander Melville GMT with Blue Hammer Dial #ISL-222 or the Seiko Astron GPS Solar 2025 Limited Edition?

At MSRP the Islander Melville GMT with Blue Hammer Dial #ISL-222 is the cheaper of the two at $369, against $2,600 for the Seiko Astron GPS Solar 2025 Limited Edition — a $2,231 gap before any retailer discounting.

Which is bigger, the Islander Melville GMT with Blue Hammer Dial #ISL-222 or the Seiko Astron GPS Solar 2025 Limited Edition?

The Seiko Astron GPS Solar 2025 Limited Edition wears larger at 42mm versus 40mm for the Islander Melville GMT with Blue Hammer Dial #ISL-222 — a 2mm difference across the dial.

Which has better water resistance, the Islander Melville GMT with Blue Hammer Dial #ISL-222 or the Seiko Astron GPS Solar 2025 Limited Edition?

The Islander Melville GMT with Blue Hammer Dial #ISL-222 is rated to 100m versus 10m for the Seiko Astron GPS Solar 2025 Limited Edition.

What movement does the Islander Melville GMT with Blue Hammer Dial #ISL-222 run compared to the Seiko Astron GPS Solar 2025 Limited Edition?

The Islander Melville GMT with Blue Hammer Dial #ISL-222 runs a automatic caliber (Seiko NH34), while the Seiko Astron GPS Solar 2025 Limited Edition runs a quartz (3X62).

Side by side

Islander Islander Melville GMT with Blue Hammer Dial #ISL-222vsSeiko Astron GPS Solar 2025 Limited Edition

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

Islander Islander Melville GMT with Blue Hammer Dial #ISL-222

islander-melville-gmt-with-blue-hammer-dial-isl-222

MSRP $369

Seiko Astron GPS Solar 2025 Limited Edition

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MSRP $2,600

At a glance

18 of 29 specs differ

Diameter

Islander Melville GMT with Blue Hammer Dial #ISL-22240mm

Astron GPS Solar 2025 Limited Edition42mm

Power Reserve

Islander Melville GMT with Blue Hammer Dial #ISL-222—

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

Islander Melville GMT with Blue Hammer Dial #ISL-222100m

Astron GPS Solar 2025 Limited Edition100m

MSRP

Islander Melville GMT with Blue Hammer Dial #ISL-222$369

Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs

Diameter

40mm

42mm

Thickness

13mm

12mm

Lug-to-Lug

0mm

47.9mm

Lug Width

20mm

14mm

Material

Stainless Steel

Titanium

Finish

—

Brushed and polished

Caseback

Screw-down

Solid

Crystal & Dial

5 specs

Crystal Shape

Domed

Flat

AR Coating

Underside

Super-clear coating

Dial Color

—

Black

Indices

—

Applied

Lume

None

LumiBrite on hands and index(es)

Movement

5 specs

Caliber

Seiko NH34

3X62

Type

Automatic

Quartz

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$369

$2,600

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