Side by side

Grand Seiko SBGW258vsZelos Hammerhead V3 300m Titanium

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

SBGW258
Grand SeikoSBGW258
MSRP $26,000
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

14 of 29 specs differ
Diameter
SBGW25838mm
Hammerhead V3 300m Titanium44mm
Power Reserve
SBGW25872h
Hammerhead V3 300m Titanium40h
Water Resistance
SBGW25830m
Hammerhead V3 300m Titanium300m
MSRP
SBGW258$26,000
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38mm
44mm
Thickness
10.9mm
13mm
Lug-to-Lug
45.8mm
44mm
Lug Width
19mm
22mm
Material
Gold
Titanium
Water Resistance
30m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
9S64
Seiko NH35
Type
Manual
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$26,000
$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 SBGW258

The Grand Seiko SBGW258 is a yellow gold dress watch featuring a 38mm case and a manual-wind caliber 9S64 movement with a 72-hour power reserve, rated for accuracy to +5/-3 seconds per day. It includes a raised gold logo on the dial and comes with a brown leather strap. On balance, reviewers highlight the Grand Seiko SBGW258 as a classic, precious metal timepiece representing fine watchmaking tradition.

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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