Side by side

Seiko Prospex SeavsTudor Pelagos 39

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

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

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

Tudor Pelagos 39

The Tudor Pelagos 39 is widely praised for its comfortable 39mm titanium case, making it a versatile and refined everyday dive watch with a sunray dial and bezel. Owners and reviewers consistently highlight its wearability, with specific mention of its 11.8mm thickness and 107-gram weight. Some owners note the titanium case scuffs easily but that the matte finish hides scratches well and they can be buffed out. Criticisms include a 21mm lug width deemed unnecessary by one owner and some find the T-fit clasp edges sharp, though this is disputed by another. The lume is considered acceptable but not class-leading. Overall, owners and reviewers rate the Tudor Pelagos 39 highly for its comfortable dimensions and refined everyday wearability.

At a glance

14 of 29 specs differ
Diameter
Prospex Sea41.7mm
Pelagos 3940mm
Power Reserve
Prospex Sea41h
Pelagos 3970h
Water Resistance
Prospex Sea200m
Pelagos 39200m
MSRP
Prospex Sea$595
Pelagos 39$5,625

Full specifications

Case

7 specs
Diameter
41.7mm
40mm
Thickness
12.3mm
11.8mm
Lug-to-Lug
49.5mm
0mm
Lug Width
20mm
21mm
Material
Stainless Steel
Grade 2 Titanium
Finish
Satin
Caseback
Solid screw-down

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Dial Color
$578
Lume
LumiBrite on hands, index(es) and bezel
luminescent ceramic composite hour markers

Movement

3 specs
Caliber
4R35
MT5400
Power Reserve
41h
70h
Jewels
23
0

Pricing

1 specs
MSRP
$595
$5,625
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