Side by side

Christopher Ward C63 Sealander Extreme GMTvsZelos Nasa Edition (sellita)

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Nasa Edition (sellita)39mm
Power Reserve
C63 Sealander Extreme GMT56h
Nasa Edition (sellita)40h
Water Resistance
C63 Sealander Extreme GMT150m
Nasa Edition (sellita)50m
MSRP
C63 Sealander Extreme GMT$2,075
Nasa Edition (sellita)$629

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
39mm
Thickness
12.05mm
7.6mm
Lug-to-Lug
48mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
NASA Edition (Sellita)
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
ETA/Peseux 7001
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$629

Follow this matchup

Get a note when Christopher Ward C63 Sealander Extreme GMT vs Zelos Nasa Edition (sellita) gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.