Side by side

Christopher Ward C63 ColchestervsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

C63 Colchester
Christopher WardC63 Colchester
MSRP $1,615

At a glance

16 of 29 specs differ
Diameter
C63 Colchester47.5mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
C63 Colchester38h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
C63 Colchester150m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
C63 Colchester$1,615
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

8 specs
Category
Diver
Diameter
47.5mm
44mm
Thickness
12.6mm
13mm
Lug-to-Lug
47.5mm
49.3mm
Lug Width
22mm
20mm
Material
Injected carbon
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
SW200
8L35
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
50h
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,615
$3,300

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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 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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