Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsZelos Hammerhead V3 300m Titanium

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

Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Hammerhead V3 300m Titanium40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Hammerhead V3 300m Titanium300m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Hammerhead V3 300m Titanium$559

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
Ti - Mosaic MOP
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
$559

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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 Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

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