Side by side

Grand Seiko STGF359vsZelos Hammerhead V3 300m Titanium

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

STGF359
Grand SeikoSTGF359
MSRP $2,600
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

13 of 29 specs differ
Diameter
STGF35928.9mm
Hammerhead V3 300m Titanium44mm
Power Reserve
STGF35940h
Hammerhead V3 300m Titanium40h
Water Resistance
STGF359100m
Hammerhead V3 300m Titanium300m
MSRP
STGF359$2,600
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
28.9mm
44mm
Thickness
8.7mm
13mm
Lug-to-Lug
35.4mm
44mm
Lug Width
14mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
4J52
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$2,600
$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 STGF359

Owners widely praise the Grand Seiko STGF359 for its elegant pairing with an engagement ring. Some owners find the 29mm case size too small for a man's wrist, while others suggest it can be worn by men with smaller wrists, recommending an in-person try-on. One owner notes potential date wheel misalignment requiring servicing. The bracelet has a maximum perimeter of 185mm, with extra links available. On balance, owners value the Grand Seiko STGF359 for its elegant aesthetic, though its small size is a point of consideration.

From video reviewers

The Grand Seiko STGF359 features a 9F quartz movement with exceptional accuracy, deviating by only +/−10 seconds per year. A drawback of the watch is its 40mm case size, which may be a concern for those with smaller wrists. Reviewers disagree on the type of movement, with one praising the 9F quartz and the other highlighting the spring drive movement.

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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