Side by side
Zelos Nasa Edition (sellita)vsOblvlo GCM Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Nasa Edition (sellita)39mm
GCM Mechanical41mm
Power Reserve
Nasa Edition (sellita)40h
GCM Mechanical42h
Water Resistance
Nasa Edition (sellita)50m
GCM Mechanical50m
MSRP
Nasa Edition (sellita)$629
GCM Mechanical$231
Full specifications
Case
6 specsCategory
Dress
Sport
Diameter
39mm
41mm
Thickness
7.6mm
12mm
Lug-to-Lug
39mm
46mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
NASA Edition (Sellita)
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
ETA/Peseux 7001
Miyota 82S5
Type
Manual
Automatic
Power Reserve
40h
42h
Pricing
1 specsMSRP
$629
$231
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