Side by side

Zelos Nasa Edition (sellita)vsWilliam Wood Fearless

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

Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629
Fearless
William WoodFearless
MSRP $920

At a glance

9 of 29 specs differ
Diameter
Nasa Edition (sellita)39mm
Fearless39mm
Power Reserve
Nasa Edition (sellita)40h
Fearless40h
Water Resistance
Nasa Edition (sellita)50m
Fearless100m
MSRP
Nasa Edition (sellita)$629
Fearless$920

Full specifications

Case

4 specs
Category
Dress
Diver
Thickness
7.6mm
14mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
ETA/Peseux 7001
Seiko NH35
Type
Manual
Automatic

Pricing

1 specs
MSRP
$629
$920

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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.

William Wood Fearless

The William Wood Fearless is noted for its wearable 39mm case size and comfortable 45mm lug-to-lug, with a matte black ion-plated finish and colorful rehaut accents. Reviewers highlight its recycled fire hose strap and 100m water resistance, stemming from its firefighter heritage. The Seiko NH35 movement is considered accurate for its price point. On balance, reviewers find the William Wood Fearless to be a well-finished field watch with unique heritage elements.

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