Side by side

Seiko Prospex LX linevsTudor Pelagos FXD

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
Pelagos FXD
TudorPelagos FXD
MSRP $5,025

At a glance

13 of 29 specs differ
Diameter
Prospex LX line44.8mm
Pelagos FXD42mm
Power Reserve
Prospex LX line72h
Pelagos FXD70h
Water Resistance
Prospex LX line300m
Pelagos FXD200m
MSRP
Prospex LX line$6,500
Pelagos FXD$5,025

Full specifications

Case

5 specs
Diameter
44.8mm
42mm
Thickness
15.7mm
12.8mm
Lug-to-Lug
50.9mm
46mm
Finish
Brushed and polished
Brushed + Satin
Water Resistance
300m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
5R65
MT5602
Type
Spring Drive
Automatic
Power Reserve
72h
70h
Jewels
30
25

Pricing

1 specs
MSRP
$6,500
$5,025

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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 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.

Tudor Pelagos FXD

Owners and reviewers widely praise the Tudor Pelagos FXD for its comfortable, lightweight titanium build, excellent legibility underwater, and robust, functional design inspired by military specifications. Its amazing lume, tactile bezel, and quick strap changes are frequently highlighted as key strengths, making it a versatile and reliable tool watch for everyday wear. Some owners note the fixed strap bars and hook-and-loop strap can be less practical for certain clothing, and one review mentions concerns about the longevity of the carbon composite case variant. Accuracy figures range, with some reporting COSC-certified precision while others note less consistent timekeeping requiring frequent servicing. Overall, owners and reviewers rate the Tudor Pelagos FXD highly for its ruggedness, historical connection, and purposeful design at its price point.

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