Side by side

Seiko Prospex SeavsTudor Pelagos FXD

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

Prospex Sea
SeikoProspex Sea
MSRP $1,500
Pelagos FXD
TudorPelagos FXD
MSRP $5,025
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 Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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.

At a glance

10 of 29 specs differ
Diameter
Prospex Sea43.5mm
Pelagos FXD42mm
Power Reserve
Prospex Sea70h
Pelagos FXD70h
Water Resistance
Prospex Sea200m
Pelagos FXD200m
MSRP
Prospex Sea$1,500
Pelagos FXD$5,025

Full specifications

Case

4 specs
Diameter
43.5mm
42mm
Thickness
13.3mm
12.8mm
Lug-to-Lug
51mm
46mm
Finish
Brushed and polished
Brushed + Satin

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

2 specs
Caliber
Seiko 6R35
MT5602
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$5,025
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