Side by side

Islander Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278
IslanderIslander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278
MSRP $395
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

14 of 29 specs differ
Diameter
Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-27838mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278$395
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

4 specs
Diameter
38mm
42mm
Thickness
12.5mm
12.9mm
Lug-to-Lug
0mm
48.6mm
Finish
Brushed and polished

Crystal & Dial

4 specs
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Miyota 2070
6R54
Type
Quartz
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$395
$1,500

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278

The Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278 is lauded for its appealing color and 38mm size, with owners calling it a keeper. Reviewers and owners alike praise its impressive specifications for the price and good finishing. However, some owners express a desire for a date complication, and one owner found the 38mm size too small, despite preferring smaller watches. The bezel is noted to be mineral crystal, not sapphire. Overall, owners rate the Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278 highly for its value and wearability, with the primary praise centering on its color and compact dimensions.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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