Side by side

Islander Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291vsZelos Spearfish GMT

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

Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
IslanderIslander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
MSRP $499
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

15 of 29 specs differ
Diameter
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-29137mm
Spearfish GMT40mm
Power Reserve
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
Spearfish GMT40h
Water Resistance
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291200m
Spearfish GMT200m
MSRP
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291$499
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
37mm
40mm
Thickness
11.7mm
13mm
Lug-to-Lug
0mm
40mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Frost
Indices
Applied

Movement

4 specs
Caliber
Miyota 90S5
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$499
$999

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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 Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

The Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 is widely praised for its looks, build quality, and impressive specifications, including a high-beat Miyota 9015 movement with hacking and hand-winding, sapphire crystal, and 200m water resistance. Owners consider it excellent value, citing the finishing and comfortable fit. One owner notes the bright lume is fleeting. The watch is powered by a Miyota 9015 movement with a 40-hour power reserve. Overall, owners and reviewers rate the Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 highly for its exceptional value and robust specifications at its price point.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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