Side by side

Sternglas Naos Pro AutomatikvsZelos Hammerhead V3 300m Titanium

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

Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

14 of 29 specs differ
Diameter
Naos Pro Automatik38mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Naos Pro Automatik42h
Hammerhead V3 300m Titanium40h
Water Resistance
Naos Pro Automatik50m
Hammerhead V3 300m Titanium300m
MSRP
Naos Pro Automatik$755
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38mm
44mm
Thickness
9mm
13mm
Lug-to-Lug
42.4mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Ti - Mosaic MOP
Lume
Luminova Punkte
None

Movement

3 specs
Caliber
Miyota 9015
Seiko NH35
Power Reserve
42h
40h
Jewels
25

Pricing

1 specs
MSRP
$755
$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.

Sternglas Naos Pro Automatik

The Sternglas Naos Pro Automatik is praised for its slim 9mm case and Bauhaus dial design, featuring clear hour markers and a framed date window. Owners note the upgraded Miyota 9015 movement with a 4Hz beat rate. Accuracy is reported as -10/+30 seconds per day, which is not ideal for precision enthusiasts. The five-link bracelet's lack of fitted end-links and the optional bracelet's chunkiness are flagged as areas lacking refinement. Overall, reviewers highlight the Sternglas Naos Pro Automatik's improved wearability and premium feel at its price point.

From video reviewers

The Bauhaus design is a strength. The value proposition is a weakness.

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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