Side by side

Zelos Nasa Edition (sellita)vsEcho/Neutra Cristallo Professional Diver 500m

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
Cristallo Professional Diver 500m
Echo/NeutraCristallo Professional Diver 500m
MSRP $1,450

At a glance

15 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
Cristallo Professional Diver 500m42mm
Power Reserve
Nasa Edition (sellita)40h
Cristallo Professional Diver 500m56h
Water Resistance
Nasa Edition (sellita)50m
Cristallo Professional Diver 500m500m
MSRP
Nasa Edition (sellita)$629
Cristallo Professional Diver 500m$1,450

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
39mm
42mm
Thickness
7.6mm
13.9mm
Lug-to-Lug
39mm
49mm
Material
316L Stainless Steel
316L Stainless Steel with Helium Valve
Water Resistance
50m
500m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
NASA Edition (Sellita)
Blue
Lume
None
Superluminova BGW9

Movement

5 specs
Caliber
ETA/Peseux 7001
Sellita SW279 elaboré
Type
Manual
Automatic
Power Reserve
40h
56h
Jewels
25
31
Complications
None
Moonphase, Date, Small seconds

Pricing

1 specs
MSRP
$629
$1,450

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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 Nasa Edition (sellita)

The Zelos Nasa Edition (sellita) is praised for its thinness, stemming from its hand-wound Sellita SW215 movement, and is noted for its good size and wearability. The watch features a 39mm case, a 45mm lug to lug, and a 20mm lug width. On balance, owners rate the Zelos Nasa Edition (sellita) highly for its comfortable dimensions and thin profile.

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.

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