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Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary 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
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 Diver’s Watch 60th Anniversary Limited Edition

The Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition features a 40mm case, 300m water resistance, and a 72-hour power reserve from the Calibre 6R55 movement, distinguished by a grey bezel insert and a wave-patterned silvery-white dial. The clasp includes an improved diving suit extension. Owners note the MarineMaster case is comfortable and wearable. However, some owners criticize the 6R54 movement's accuracy, reporting deviations of +25/-15 seconds per day, and find the production number too large for a "limited" edition, deeming it too expensive. On balance, owners rate the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition positively for its comfortable case and attractive dial, despite concerns regarding its price and movement accuracy.

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.

At a glance

13 of 29 specs differ
Diameter
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Hammerhead V3 300m Bronze40h
Water Resistance
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
Hammerhead V3 300m Bronze300m
MSRP
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400
Hammerhead V3 300m Bronze$449

Full specifications

Case

4 specs
Diameter
40mm
44mm
Lug-to-Lug
46.4mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

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
6R55
Seiko NH35
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,400
$449
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