Side by side

AVI-8 Spitfire Type 300 AutomaticvsZelos Hammerhead V3 300m Titanium

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

Spitfire Type 300 Automatic
AVI-8Spitfire Type 300 Automatic
MSRP $400
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

11 of 29 specs differ
Diameter
Spitfire Type 300 Automatic42mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Spitfire Type 300 Automatic40h
Hammerhead V3 300m Titanium40h
Water Resistance
Spitfire Type 300 Automatic50m
Hammerhead V3 300m Titanium300m
MSRP
Spitfire Type 300 Automatic$400
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
42mm
44mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Sky Gauge
Ti - Mosaic MOP

Movement

1 specs
Caliber
Seiko NH35

Pricing

1 specs
MSRP
$400
$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.

AVI-8 Spitfire Type 300 Automatic

Owners praise the AVI-8 Spitfire Type 300 Automatic for its compelling designs and striking color schemes, with one owner noting the brand consistently prompts purchases. The $450 price point is considered good value, and the watch features a comfortable brown leather strap. However, the included NATO strap feels cheap and is too long for a 7" wrist. One owner reported inaccurate seconds hand movement, and the 15mm thick bronze case is noted as slightly thicker than expected. Overall, owners rate the AVI-8 Spitfire Type 300 Automatic highly for its unique designs and value at the price point, despite some minor strap and case thickness observations.

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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