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 $2,000

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Rocks40mm
King Seiko KSK38.3mm
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$2,000

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
40mm
38.3mm
Thickness
11.05mm
11.7mm
Lug-to-Lug
42.87mm
46mm
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

Movement

4 specs
Caliber
SW200-1
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$1,350
$2,000

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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

Owners and reviewers widely praise the King Seiko KSK's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

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