Side by side

Zelos Nasa Edition (sellita)vsGrand Seiko SBGZ003

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
SBGZ003
Grand SeikoSBGZ003

At a glance

13 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
SBGZ00338.5mm
Power Reserve
Nasa Edition (sellita)40h
SBGZ00384h
Water Resistance
Nasa Edition (sellita)50m
SBGZ00330m
MSRP
Nasa Edition (sellita)$629
SBGZ003

Full specifications

Case

6 specs
Diameter
39mm
38.5mm
Thickness
7.6mm
9.8mm
Lug-to-Lug
39mm
43.7mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Platinum
Water Resistance
50m
30m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
NASA Edition (Sellita)
Black

Movement

3 specs
Caliber
ETA/Peseux 7001
9R02
Type
Manual
Spring Drive
Power Reserve
40h
84h

Pricing

1 specs
MSRP
$629

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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.

Grand Seiko SBGZ003

Grand Seiko SBGZ003 owners and reviewers widely praise its classic 38.5mm x 9.8mm dimensions and the meticulous perfection of its craft, with some calling it the sexiest Grand Seiko ever seen. The Spring Drive caliber 9R02 offers an 84-hour power reserve. Some find the dial's color off-putting, and the $57,000 price is a significant barrier for many. On balance, owners and reviewers rate the Grand Seiko SBGZ003 highly for its stunning "carved" dial and Micro Artist Studio finishing.

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