Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series 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 1970 Heritage Diver's Black Series Limited Edition44mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Hammerhead V3 300m Bronze40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Hammerhead V3 300m Bronze300m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Hammerhead V3 300m Bronze$449

Full specifications

Case

4 specs
Lug-to-Lug
49.3mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
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
8L35
Seiko NH35
Power Reserve
50h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$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 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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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