Side by side

Zelos Hammerhead V3 300m TitaniumvsZelos Helica Moonphase

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

Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

11 of 29 specs differ
Diameter
Hammerhead V3 300m Titanium44mm
Helica Moonphase39mm
Power Reserve
Hammerhead V3 300m Titanium40h
Helica Moonphase40h
Water Resistance
Hammerhead V3 300m Titanium300m
Helica Moonphase100m
MSRP
Hammerhead V3 300m Titanium$559
Helica Moonphase$1,049

Full specifications

Case

7 specs
Category
Diver
Moonphase
Diameter
44mm
39mm
Thickness
13mm
10mm
Lug-to-Lug
44mm
39mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Ti - Mosaic MOP
Meteorite

Movement

1 specs
Caliber
Seiko NH35
Sellita SW288 Moonphase

Pricing

1 specs
MSRP
$559
$1,049

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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.

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.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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