Side by side

Praesidus A-11 Spec 2 AmeriquartzvsZelos Hammerhead V3 300m Titanium

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

A-11 Spec 2 Ameriquartz
PraesidusA-11 Spec 2 Ameriquartz
MSRP $215
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

12 of 29 specs differ
Diameter
A-11 Spec 2 Ameriquartz38mm
Hammerhead V3 300m Titanium44mm
Power Reserve
A-11 Spec 2 Ameriquartz40h
Hammerhead V3 300m Titanium40h
Water Resistance
A-11 Spec 2 Ameriquartz50m
Hammerhead V3 300m Titanium300m
MSRP
A-11 Spec 2 Ameriquartz$215
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
38mm
44mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Ameriquartz USA
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$215
$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.

Praesidus A-11 Spec 2 Ameriquartz

Owners praise the Praesidus A-11 Spec 2 Ameriquartz as a sturdy, versatile tool watch at $215 USD, noting its precise Ameriquartz movement. However, some owners report unpolished lugs, random timekeeping errors ranging from 5-15 minutes off, premature battery death, and difficulties with battery replacements and customer service. The canvas strap is also noted as being very long, and the crystal is sapphire-coated K1 mineral. On balance, owners find the Praesidus A-11 Spec 2 Ameriquartz a capable daily beater despite these specific concerns.

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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