Side by side

Seiko Prospex LX linevsZelos Spearfish 3

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

Prospex LX line
SeikoProspex LX line
MSRP $6,500
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

14 of 29 specs differ
Diameter
Prospex LX line44.8mm
Spearfish 340mm
Power Reserve
Prospex LX line72h
Spearfish 340h
Water Resistance
Prospex LX line300m
Spearfish 3200m
MSRP
Prospex LX line$6,500
Spearfish 3$749

Full specifications

Case

6 specs
Diameter
44.8mm
40mm
Thickness
15.7mm
11.5mm
Lug-to-Lug
50.9mm
40mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Diver - Forged Carbon
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5R65
La Joux-Perret G100
Type
Spring Drive
Automatic
Power Reserve
72h
40h
Jewels
30
25

Pricing

1 specs
MSRP
$6,500
$749

Follow this matchup

Get a note when Seiko Prospex LX line vs Zelos Spearfish 3 gets more votes, a community discussion, or a price drop. No account needed.

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 Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.