Side by side

Seiko Prospex LX linevsZelos Spearfish GMT

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

Prospex LX line
SeikoProspex LX line
MSRP $5,500
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

13 of 29 specs differ
Diameter
Prospex LX line44.8mm
Spearfish GMT40mm
Power Reserve
Prospex LX line72h
Spearfish GMT40h
Water Resistance
Prospex LX line200m
Spearfish GMT200m
MSRP
Prospex LX line$5,500
Spearfish GMT$999

Full specifications

Case

5 specs
Diameter
44.8mm
40mm
Thickness
14.7mm
13mm
Lug-to-Lug
50.9mm
40mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Inner
Dial Color
Black
Frost
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5R66
Sellita SW330-2
Type
Spring Drive
Automatic
Power Reserve
72h
40h
Jewels
30
25

Pricing

1 specs
MSRP
$5,500
$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 Prospex LX line

Owners widely report the dial's blue-green sunburst is phenomenal, and the sapphire glass features blue AR coating. Some owners feel the high price limits discounts and sales, with one AD noting extremely low sales due to the cost. One owner reported DLC peeling off a two-week-old watch, and another noted quality control issues like bezel inserts and fallen second hands. On balance, owners consider the Seiko Prospex LX line a nicely built watch, though pricing led to poor sales and its discontinuation.

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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