Side by side

Christopher Ward C63 ColchestervsSeiko Prospex Sea

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

C63 Colchester
Christopher WardC63 Colchester
MSRP $1,615
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

16 of 29 specs differ
Diameter
C63 Colchester47.5mm
Prospex Sea41.3mm
Power Reserve
C63 Colchester38h
Prospex Sea72h
Water Resistance
C63 Colchester150m
Prospex Sea300m
MSRP
C63 Colchester$1,615
Prospex Sea$1,100

Full specifications

Case

8 specs
Category
Diver
Diameter
47.5mm
41.3mm
Thickness
12.6mm
12.5mm
Lug-to-Lug
47.5mm
48.2mm
Lug Width
22mm
20mm
Material
Injected carbon
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
SW200
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
24
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,615
$1,100

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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 Colchester

The Christopher Ward C63 Colchester is praised for its extremely lightweight, 41mm forged carbon case and dial, weighing only 38 grams, and its COSC-certified Sellita SW200 movement. Some owners report the lume lasts all night, while others note the red seconds hand can be difficult to see in low light. The recessed crown is a point of discussion, with one owner finding it difficult to manipulate due to its thinness and another suggesting it may be gimmicky. The watch is offered at $925. Overall, owners appreciate the unique materials and lightweight design of the Christopher Ward C63 Colchester, though some express concerns about the crown functionality and price point.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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