Side by side

Zelos Hammerhead (Tantalum LE)vsGrand Seiko SBGX353

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
SBGX353
Grand SeikoSBGX353
MSRP $4,100

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
SBGX35334mm
Power Reserve
Hammerhead (Tantalum LE)40h
SBGX35340h
Water Resistance
Hammerhead (Tantalum LE)300m
SBGX35330m
MSRP
Hammerhead (Tantalum LE)$1,499
SBGX353$4,100

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
34mm
Thickness
13mm
10.7mm
Lug-to-Lug
44mm
41.5mm
Lug Width
22mm
18mm
Material
Titanium
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Tantalum LE
Black

Movement

2 specs
Caliber
Seiko NH35
9F61
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$4,100

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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.

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.

Grand Seiko SBGX353

The Grand Seiko SBGX353 is widely praised for its mesmerizing "Skyflake" textured blue dial, considered by owners to be "perfect art." Reviewers and owners alike highlight the watch's elegant 34mm case size and the advanced 9F61 quartz movement, noting its exceptional ±10 seconds per year accuracy and precise second-hand alignment. Some owners find the dial's aesthetic appeal slightly diminished when worn compared to other options, and one owner replaced the quick-release buckle for a Hirsch clasp. Overall, owners rate the Grand Seiko SBGX353 highly for its exquisite dial finishing and the precision of its quartz movement at its price point.

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