Side by side

NOMOS Glashütte Tetra 27 duovsZelos Hammerhead V3 300m Bronze

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

Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

20 of 29 specs differ
Diameter
Tetra 27 duo27.5mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Tetra 27 duo53 hoursh
Hammerhead V3 300m Bronze40h
Water Resistance
Tetra 27 duo50m
Hammerhead V3 300m Bronze300m
MSRP
Tetra 27 duo$2,090
Hammerhead V3 300m Bronze$449

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
27.5mm
44mm
Thickness
6.1mm
13mm
Lug-to-Lug
38.5mm
44mm
Lug Width
18mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
50m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Bronze - Frost
Indices
Applied

Movement

5 specs
Caliber
DUW 4001
Seiko NH35
Type
Manual
Automatic
Beat Rate
21,600 vph
28,800 vph
Power Reserve
53 hoursh
40h
Jewels
17
25

Pricing

1 specs
MSRP
$2,090
$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.

NOMOS Glashütte Tetra 27 duo

Owners widely praise the NOMOS Glashütte Tetra 27 duo for its ideal small and light wearing dimensions, beautiful dial that shifts with lighting, and gorgeous blued hands, with some finding its 27mm size perfect for vintage preferences. The watch is noted for its precise, Art Deco-inspired design and good finishing. However, some owners and reviewers consider the 27.5mm size too small, labeling it a women's watch, though others find it unisex and note its square shape can make it wear larger. One owner flags the buckle as disappointingly generic and the grey suede strap as prone to getting dirty. Overall, owners and reviewers highly regard the NOMOS Glashütte Tetra 27 duo for its elegant design and comfortable wearability at its price point.

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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