Side by side

Zelos Nasa Edition (sellita)vsGrand Seiko SBGH281

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
SBGH281
Grand SeikoSBGH281
MSRP $6,300

At a glance

13 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
SBGH28140mm
Power Reserve
Nasa Edition (sellita)40h
SBGH28155h
Water Resistance
Nasa Edition (sellita)50m
SBGH281100m
MSRP
Nasa Edition (sellita)$629
SBGH281$6,300

Full specifications

Case

6 specs
Diameter
39mm
40mm
Thickness
7.6mm
13.3mm
Lug-to-Lug
39mm
46.2mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

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
9S85
Type
Manual
Automatic
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$629
$6,300

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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 SBGH281

The Grand Seiko SBGH281 is lauded for its 44GS-style case, which exemplifies the brand's "Grammar of Design" with its sharp facets and broad case band, and its Hi-Beat 36000vph Caliber 9S85 movement, noted for an ultra-smooth second hand. Reviewers highlight the exceptional finishing, including Zaratsu polishing and hand-polished markers, as offering significant value at its €6,200 price point. The watch features an accuracy rating of +5/–3 seconds per day, a 55-hour power reserve, and 100-meter water resistance, all executed to Grand Seiko's high standards, and is limited to 1,500 pieces. Overall, reviewers rate the Grand Seiko SBGH281 highly for its iconic case design and superb finishing at its price.

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