Side by side

Christopher Ward C63 Sealander AutomaticvsSeiko King Seiko KSK

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 Automatic

Owners widely praise the Christopher Ward C63 Sealander Automatic for its excellent finishing, on-the-fly micro-adjust bracelet, and GADA versatility, with some calling it their best offering and a bargain. However, the lume is consistently criticized as weak, particularly for its price point. Some owners find the dial's multiple color pops distracting, and one notes the brand's poor aftermarket value retention. On balance, owners rate the Christopher Ward C63 Sealander Automatic highly for its build quality and versatility at the price.

Seiko King Seiko KSK

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Automatic36mm
King Seiko KSK36.1mm
Power Reserve
C63 Sealander Automatic65h
King Seiko KSK72h
Water Resistance
C63 Sealander Automatic150m
King Seiko KSK100m
MSRP
C63 Sealander Automatic$1,430
King Seiko KSK$1,900

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
36mm
36.1mm
Thickness
10.6mm
11.6mm
Lug-to-Lug
42mm
43mm
Lug Width
20mm
19mm
Water Resistance
150m
100m

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Lume
SLN X1 BL C1
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW 200-2
6R51
Beat Rate
4 vph
0 vph
Power Reserve
65h
72h
Jewels
26
24
Complications
Day-date, Date
None

Pricing

1 specs
MSRP
$1,430
$1,900
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