Side by side

Gruppo Gamma Vanguard WeatheredvsZelos Hammerhead V3 300m Titanium

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

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

14 of 29 specs differ
Diameter
Vanguard Weathered42mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Vanguard Weathered42h
Hammerhead V3 300m Titanium40h
Water Resistance
Vanguard Weathered100m
Hammerhead V3 300m Titanium300m
MSRP
Vanguard Weathered$790
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Diver
Diameter
42mm
44mm
Thickness
12.6mm
13mm
Lug-to-Lug
49.5mm
44mm
Material
Stainless Steel
Titanium
Finish
Weathered
Brushed and polished
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Ti - Mosaic MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$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.

Gruppo Gamma Vanguard Weathered

The satin-finished steel case is well-executed and aesthetically pleasing. The watch's lumières de nuit are not particularly bright, which might be a drawback for some users. Reviewers disagree on the watch's originality, with one reviewer finding it pleasing in-person and another describing it as decidedly derivative.

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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