Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsZelos Mako 4

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 1968 Heritage Diver's GMT Watch Limited Edition

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing relative to its price point, featuring a beautiful case, bracelet, and strong Lumibrite lume. Enthusiasts and reviewers highlight the comfortable 42mm case size and the distinctive 4 o'clock crown position. The watch is powered by the in-house 6R54 automatic movement, offering a 72-hour power reserve and rated accuracy of -5/+10 seconds per day, though one source notes the GMT function is secondary. Some find the 4:30 date window divisive, and the bezel clicks are described as quieter than expected. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its refined design and strong value proposition.

Zelos Mako 4

Owners widely praise Zelos' dial finishing, with specific admiration for blued markers and hands, and the unique titanium bezel insert. Reviewers highlight the Mako 4's impressive case finishing and fully lumed ceramic bezel for its price point, noting the boxed sapphire crystal and wavy dial texture contribute to a vintage feel. The Sellita SW200 movement is described as reliable, with one owner reporting accuracy of -0.3 seconds per day. However, the crown can be difficult to grip, and the winding mechanism offers resistance when screwing down, while the watch's height may hinder wearability under a suit cuff. The tropic rubber strap is considered excellent, in contrast to a stiff leather option. On balance, owners and reviewers rate the Zelos Mako 4 highly for its exceptional dial and case finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Mako 440mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Mako 440h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
Mako 4300m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Mako 4$529

Full specifications

Case

4 specs
Diameter
42mm
40mm
Thickness
13.3mm
12.2mm
Lug-to-Lug
48.6mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Diver - Flare
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
Miyota 9015
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,750
$529
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