Side by side

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited EditionvsTudor Pelagos 39

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

At a glance

15 of 29 specs differ
Diameter
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Pelagos 3940mm
Power Reserve
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Pelagos 3970h
Water Resistance
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
Pelagos 39200m
MSRP
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400
Pelagos 39$5,625

Full specifications

Case

7 specs
Thickness
13mm
11.8mm
Lug-to-Lug
46.4mm
46mm
Lug Width
20mm
21mm
Material
Stainless Steel
Grade 2 Titanium
Finish
Brushed and polished
Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
$578
Lume
LumiBrite on hands, index(es) and bezel
luminescent ceramic composite hour markers

Movement

3 specs
Caliber
6R55
MT5400
Power Reserve
72h
70h
Jewels
24
25

Pricing

1 specs
MSRP
$1,400
$5,625

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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 Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

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.

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