Side by side

Zelos Nasa Edition (sellita)vsHamilton Jazzmaster Performer Auto

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

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.

Hamilton Jazzmaster Performer Auto

Owners praise the Hamilton Jazzmaster Performer Auto for its stylish looks, clean case finishing, and 80-hour power reserve, making it a good option for a first Swiss watch. Some owners note the 34mm size might be small and suggest it is a bit pricey. One owner finds the flatter crystal reduces light reflection and perceived chunkiness, and it sits well on smaller wrists due to a reasonable lug-to-lug distance. Overall, owners rate the Hamilton Jazzmaster Performer Auto highly for its blend of brand reputation, aesthetics, and practical features at its price point.

At a glance

12 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
Jazzmaster Performer Auto34mm
Power Reserve
Nasa Edition (sellita)
Jazzmaster Performer Auto80h
Water Resistance
Nasa Edition (sellita)50m
Jazzmaster Performer Auto100m
MSRP
Nasa Edition (sellita)$629
Jazzmaster Performer Auto$1,245

Full specifications

Case

6 specs
Diameter
39mm
34mm
Thickness
7.6mm
0mm
Lug-to-Lug
39mm
0mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
NASA Edition (Sellita)
Blue

Movement

3 specs
Caliber
ETA/Peseux 7001
H-10
Type
Manual
Automatic
Power Reserve
0h
80h

Pricing

1 specs
MSRP
$629
$1,245
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