Side by side

Christopher Ward C63 Sealander RocksvsSeiko King Seiko KSK

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

C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,350
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Rocks40mm
King Seiko KSK36.1mm
Power Reserve
C63 Sealander Rocks38h
King Seiko KSK72h
Water Resistance
C63 Sealander Rocks150m
King Seiko KSK100m
MSRP
C63 Sealander Rocks$1,350
King Seiko KSK$1,900

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
40mm
36.1mm
Thickness
11.05mm
11.6mm
Lug-to-Lug
42.87mm
43mm
Lug Width
20mm
19mm
Water Resistance
150m
100m

Crystal & Dial

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

Movement

4 specs
Caliber
SW200-1
6R51
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$1,350
$1,900

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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 Rocks

Owners widely praise the Christopher Ward C63 Sealander Rocks for its excellent wearability, comfort, and build quality for the price, with many highlighting its refined dial and versatile design. The 36mm case is noted as wearing well on smaller wrists, and the robust bracelet offers on-the-fly adjustment. Some owners find the branding prominent or the dial too white, and one owner experienced difficulty adjusting the time on their 36mm model. The Sellita SW200-1 movement provides a 38-hour power reserve. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its exceptional wearability and refined dial at its price point.

From video reviewers

The dial finishing and unique stone dial options are strong points. The 36mm case size is a shared feature. Reviewers questioned its value proposition against other watches under $1,000.

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.

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