Side by side

Praesidus Neptune 44vsSeiko Prospex LX line

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

Neptune 44
PraesidusNeptune 44
MSRP $550
Prospex LX line
SeikoProspex LX line
MSRP $5,500

At a glance

14 of 29 specs differ
Diameter
Neptune 4444mm
Prospex LX line44.8mm
Power Reserve
Neptune 4440h
Prospex LX line72h
Water Resistance
Neptune 44200m
Prospex LX line200m
MSRP
Neptune 44$550
Prospex LX line$5,500

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
44mm
44.8mm
Thickness
14.7mm
Lug-to-Lug
50.9mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Super-clear coating
Dial Color
Patina
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Miyota 9039
5R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Jewels
25
30

Pricing

1 specs
MSRP
$550
$5,500

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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.

Praesidus Neptune 44

The dial details and historical elements, including fragments from Iwo Jima battlefield relics, are praised. The bracelet exhibits rattle. Reviewers disagree on the use of faux patina on the dial.

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.

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