Side by side

Hamilton Jazzmaster Power Reserve AutovsZelos Hammerhead V3 300m Bronze

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

Jazzmaster Power Reserve Auto
HamiltonJazzmaster Power Reserve Auto
MSRP $1,425
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Power Reserve Auto42mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Jazzmaster Power Reserve Auto40h
Hammerhead V3 300m Bronze40h
Water Resistance
Jazzmaster Power Reserve Auto50m
Hammerhead V3 300m Bronze300m
MSRP
Jazzmaster Power Reserve Auto$1,425
Hammerhead V3 300m Bronze$449

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
44mm
Thickness
12.64mm
13mm
Lug-to-Lug
46mm
44mm
Material
Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Bronze - Frost

Movement

1 specs
Caliber
H-13
Seiko NH35

Pricing

1 specs
MSRP
$1,425
$449

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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.

Hamilton Jazzmaster Power Reserve Auto

The Hamilton Jazzmaster Power Reserve Auto is praised by owners and reviewers for its value and history, featuring an 80-hour power reserve caliber H-13 movement. Owners note poor lume, easily scratched polished bezels, and a mineral crystal on the movement display. One owner suggests the 80-hour power reserve is difficult to achieve without manual winding. On balance, owners and reviewers rate the Hamilton Jazzmaster Power Reserve Auto well for its value and history, despite noted drawbacks in finishing and crystal material.

Zelos Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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