Side by side

Zelos Nasa Edition (sellita)vsHalios Universa II

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
Universa II
HaliosUniversa II
MSRP $995

At a glance

9 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
Universa II38mm
Power Reserve
Nasa Edition (sellita)40h
Universa II40h
Water Resistance
Nasa Edition (sellita)50m
Universa II100m
MSRP
Nasa Edition (sellita)$629
Universa II$995

Full specifications

Case

4 specs
Diameter
39mm
38mm
Thickness
7.6mm
11.8mm
Lug-to-Lug
39mm
48mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire (double-domed)
Dial Color
NASA Edition (Sellita)
Gold

Movement

2 specs
Caliber
ETA/Peseux 7001
Sellita SW300-1
Type
Manual
Automatic

Pricing

1 specs
MSRP
$629
$995

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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.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

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