Side by side

Zelos Hammerhead (Tantalum LE)vsNivada Grenchen Super Antarctic 35mm Automatic

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Super Antarctic 35mm Automatic
Nivada GrenchenSuper Antarctic 35mm Automatic
MSRP $945

At a glance

18 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Super Antarctic 35mm Automatic35mm
Power Reserve
Hammerhead (Tantalum LE)40h
Super Antarctic 35mm Automatic36h
Water Resistance
Hammerhead (Tantalum LE)300m
Super Antarctic 35mm Automatic100m
MSRP
Hammerhead (Tantalum LE)$1,499
Super Antarctic 35mm Automatic$945

Full specifications

Case

9 specs
Category
Diver
Sport
Diameter
44mm
35mm
Thickness
13mm
10.1mm
Lug-to-Lug
44mm
41.9mm
Lug Width
22mm
18mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
100m
Caseback
Solid
Engraved

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Seiko NH35
Sellita SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
36h
Jewels
25
18
Complications
None
GMT

Pricing

1 specs
MSRP
$1,499
$945

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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 (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

Nivada Grenchen Super Antarctic 35mm Automatic

The Nivada Grenchen Super Antarctic 35mm Automatic is praised as a fantastic time-only release with excellent legibility due to its large indices and hands, and a comfortable 38mm case. Reviewers highlight its vintage-accurate 10.1mm thinness and 200m water resistance. An owner reports accuracy gains of +6 to +9 seconds per day, and one reviewer notes the "cream" lume color appears too yellow for faux patina. Overall, owners and reviewers rate the Nivada Grenchen Super Antarctic 35mm Automatic highly for its comfortable size and excellent legibility at its price point.

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