Side by side

Christopher Ward C63 Sealander GMTvsZelos Nasa Edition (sellita)

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

C63 Sealander GMT
Christopher WardC63 Sealander GMT
MSRP $1,675
Nasa Edition (sellita)
ZelosNasa Edition (sellita)
MSRP $629

At a glance

18 of 29 specs differ
Diameter
C63 Sealander GMT42mm
Nasa Edition (sellita)39mm
Power Reserve
C63 Sealander GMT56h
Nasa Edition (sellita)40h
Water Resistance
C63 Sealander GMT150m
Nasa Edition (sellita)50m
MSRP
C63 Sealander GMT$1,675
Nasa Edition (sellita)$629

Full specifications

Case

9 specs
Category
GMT
Dress
Diameter
42mm
39mm
Thickness
11.5mm
7.6mm
Lug-to-Lug
48.5mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
150m
50m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
NASA Edition (Sellita)
Lume
SLN X1 BL C1
None

Movement

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

Pricing

1 specs
MSRP
$1,675
$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.

Christopher Ward C63 Sealander GMT

The Christopher Ward C63 Sealander GMT is praised for its comfortable wearability, with reviewers noting its slim profile, short lugs, and 39mm case size, while others prefer the proportions of the 36mm version. The watch features a Light-catcher case with alternating brushed and polished surfaces, and the Bader bracelet is highlighted for its build quality and comfort at its price point. Some owners find the gloss white dial's text and indices small, and the orange accents can appear yellow. The Sellita SW330-2 movement provides caller GMT functionality and a 56-hour power reserve. On balance, owners and reviewers appreciate the Christopher Ward C63 Sealander GMT for its comfortable wearability and solid bracelet construction at its price.

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.

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