Side by side

RZE UTD-8000vsZelos Spearfish GMT

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

UTD-8000
RZEUTD-8000
MSRP $279
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

10 of 29 specs differ
Diameter
UTD-800040mm
Spearfish GMT40mm
Power Reserve
UTD-800040h
Spearfish GMT40h
Water Resistance
UTD-8000200m
Spearfish GMT200m
MSRP
UTD-8000$279
Spearfish GMT$999

Full specifications

Case

5 specs
Category
Tool
GMT
Thickness
13.4mm
13mm
Lug-to-Lug
49.5mm
40mm
Material
Grade 5 Titanium
316L Stainless Steel
Caseback
Screw secured titanium caseback
Solid

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Black
Frost

Movement

2 specs
Caliber
Seiko VK64
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$279
$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.

RZE UTD-8000

The RZE UTD-8000 is praised for its full titanium construction with scratch-resistant coatings and comfortable wearability, offering significant value at its price point. Reviewers note its modern materials like Cerakote-coated titanium and sapphire crystal, though its feature set does not rival more expensive digital competitors. Overall, the RZE UTD-8000 is considered a compelling enthusiast piece for its material execution and value.

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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