Side by side

Seiko CouturavsZelos Spearfish GMT

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

Coutura
SeikoCoutura
MSRP $550
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
Coutura42mm
Spearfish GMT40mm
Power Reserve
Coutura40h
Spearfish GMT40h
Water Resistance
Coutura100m
Spearfish GMT200m
MSRP
Coutura$550
Spearfish GMT$999

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
40mm
Thickness
11.8mm
13mm
Lug-to-Lug
50.2mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Black
Frost
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
8T63
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$550
$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.

Seiko Coutura

Owners widely praise the Seiko Coutura for its wear-resistant metal treatments, with one reporting minimal scratching after six years. The solar perpetual calendar and radio-controlled accuracy are noted as appealing features, alongside its attractive aesthetic and quality for the price. However, some find the design too busy, gaudy, or not suitable for daily wear, with mixed opinions on the proprietary bracelet. One owner flagged the solar power reserve as problematic, requiring constant light exposure. Overall, owners appreciate the Seiko Coutura for its functional solar and radio-controlled movement and durable build, despite some polarizing design elements.

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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