Side by side

Grand Seiko SBGX353vsZelos Hammerhead V3 300m Bronze

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

SBGX353
Grand SeikoSBGX353
MSRP $4,100
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

13 of 29 specs differ
Diameter
SBGX35334mm
Hammerhead V3 300m Bronze44mm
Power Reserve
SBGX35340h
Hammerhead V3 300m Bronze40h
Water Resistance
SBGX35330m
Hammerhead V3 300m Bronze300m
MSRP
SBGX353$4,100
Hammerhead V3 300m Bronze$449

Full specifications

Case

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

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Bronze - Frost

Movement

2 specs
Caliber
9F61
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$4,100
$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.

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.

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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