Side by side

Christopher Ward C63 Sealander GMTvsSeiko Prospex Sea

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

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.

From video reviewers

The watch is praised for its value proposition against higher-priced competitors. The bracelet lacked refinement compared to Swiss counterparts.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

17 of 29 specs differ
Diameter
C63 Sealander GMT42mm
Prospex Sea41.7mm
Power Reserve
C63 Sealander GMT56h
Prospex Sea41h
Water Resistance
C63 Sealander GMT150m
Prospex Sea200m
MSRP
C63 Sealander GMT$1,675
Prospex Sea$595

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
41.7mm
Thickness
11.5mm
12.3mm
Lug-to-Lug
48.5mm
49.5mm
Lug Width
22mm
20mm
Finish
Brushed + Polished + Sandblasted
Water Resistance
150m
200m
Caseback
Display

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW330-2
Seiko 4R35
Beat Rate
4 vph
0 vph
Power Reserve
56h
41h
Jewels
25
23
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,675
$595
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