Side by side

Nivada Grenchen AutochronvsZelos Hammerhead V3 300m Bronze

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

Autochron
Nivada GrenchenAutochron
MSRP $2,495
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

17 of 29 specs differ
Diameter
Autochron38mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Autochron42h
Hammerhead V3 300m Bronze40h
Water Resistance
Autochron200m
Hammerhead V3 300m Bronze300m
MSRP
Autochron$2,495
Hammerhead V3 300m Bronze$449

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
38mm
44mm
Thickness
38mm
13mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m
Caseback
316L Steel Silver Color Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo
Bronze - Frost
Indices
Baton
Applied
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
ETA Valjoux 7750
Seiko NH35
Beat Rate
28 vph
28,800 vph
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$2,495
$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.

Nivada Grenchen Autochron

Owners praise the Nivada Grenchen Autochron's dial, with one owner calling it amazing. The Autochron Mechaquartz is noted for its squared profile and the comfort of its expansion bracelet on smaller wrists.

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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