Side by side

Echo/Neutra Cristallo Professional Diver 500mvsZelos Helica

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

Cristallo Professional Diver 500m
Echo/NeutraCristallo Professional Diver 500m
MSRP $1,450
Helica
ZelosHelica
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Cristallo Professional Diver 500m42mm
Helica39mm
Power Reserve
Cristallo Professional Diver 500m56h
Helica40h
Water Resistance
Cristallo Professional Diver 500m500m
Helica100m
MSRP
Cristallo Professional Diver 500m$1,450
Helica$499

Full specifications

Case

5 specs
Diameter
42mm
39mm
Thickness
13.9mm
10.5mm
Lug-to-Lug
49mm
39mm
Material
316L Stainless Steel with Helium Valve
316L Stainless Steel
Water Resistance
500m
100m

Crystal & Dial

2 specs
Dial Color
Blue
39 - Wave MOP
Lume
Superluminova BGW9
None

Movement

4 specs
Caliber
Sellita SW279 elaboré
Miyota 9015
Power Reserve
56h
40h
Jewels
31
25
Complications
Moonphase, Date, Small seconds
None

Pricing

1 specs
MSRP
$1,450
$499

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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.

Echo/Neutra Cristallo Professional Diver 500m

The Echo/Neutra Cristallo Professional Diver 500m is praised for its well-executed 42mm case with polished chamfers and a comfortable H-link bracelet, featuring a functional clasp. Reviewers note its smooth 120-click bezel and a Sellita SW279 movement with power reserve and small seconds complications. One owner flags the inner folding part of the clasp as slightly long. Overall, owners and reviewers rate the Echo/Neutra Cristallo Professional Diver 500m highly for its functional Sellita SW279 movement and well-finished case at its $800 price point.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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