Side by side

Grand Seiko SBGD228vsZelos Hammerhead V3 300m Titanium

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

SBGD228
Grand SeikoSBGD228
MSRP $273,000
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

14 of 29 specs differ
Diameter
SBGD22844.5mm
Hammerhead V3 300m Titanium44mm
Power Reserve
SBGD228192h
Hammerhead V3 300m Titanium40h
Water Resistance
SBGD228100m
Hammerhead V3 300m Titanium300m
MSRP
SBGD228$273,000
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
44.5mm
44mm
Thickness
14.4mm
13mm
Lug-to-Lug
52mm
44mm
Lug Width
23mm
22mm
Material
Gold
Titanium
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Ti - Mosaic MOP

Movement

3 specs
Caliber
9R01
Seiko NH35
Type
Spring Drive
Automatic
Power Reserve
192h
40h

Pricing

1 specs
MSRP
$273,000
$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.

Grand Seiko SBGD228

The Grand Seiko SBGD228 is a limited edition luxury watch featuring a rose gold case, a red mother-of-pearl dial with garnets and diamonds, and the 8-day Spring Drive Caliber 9R01, noted for its accuracy of ±10 seconds per month. Owners are divided on its aesthetic, with some finding it stunning and elegant, while others consider it too "bling" and gaudy, though all acknowledge it is eye-catching. On balance, owners and reviewers acknowledge the Grand Seiko SBGD228's striking and opulent design, supported by its exclusive movement and luxurious materials.

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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