Side by side

Zelos Hammerhead (Tantalum LE)vsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
Hammerhead (Tantalum LE)40h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
Hammerhead (Tantalum LE)300m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
Hammerhead (Tantalum LE)$1,499
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

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

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,499
$1,700

Follow this matchup

Get a note when Zelos Hammerhead (Tantalum LE) vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch offers a 300-meter depth rating and a caller-style GMT complication powered by the Caliber 6R54 movement, which provides a 72-hour power reserve. Reviewers note its refined clasp with extensive micro-adjustment. However, the movement's accuracy, ranging from +25 to -15 seconds per day, is considered a drawback by some. Overall, reviewers highlight the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch as a good reminder of Seiko's value, despite the wide accuracy range of its movement.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.