Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsZelos Hammerhead V3 300m Bronze

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

Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Hammerhead V3 300m Bronze40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
Hammerhead V3 300m Bronze300m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Hammerhead V3 300m Bronze$449

Full specifications

Case

5 specs
Diameter
42mm
44mm
Thickness
13.3mm
13mm
Lug-to-Lug
48.6mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
6R54
Seiko NH35
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,750
$449

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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 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 Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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