Side by side

CWC E9 Automatic Diver WatchvsSeiko King Seiko KSK

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

E9 Automatic Diver Watch
CWCE9 Automatic Diver Watch
MSRP $1,391
King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000

At a glance

14 of 29 specs differ
Diameter
E9 Automatic Diver Watch41mm
King Seiko KSK38.3mm
Power Reserve
E9 Automatic Diver Watch40h
King Seiko KSK72h
Water Resistance
E9 Automatic Diver Watch300m
King Seiko KSK100m
MSRP
E9 Automatic Diver Watch$1,391
King Seiko KSK$2,000

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
38.3mm
Thickness
12mm
11.7mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
19mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
CWC E9 Automatic Diver Watch (SF300-E9 AS120)
Black
Lume
Super-LumiNova
LumiBrite on Hands

Movement

3 specs
Caliber
Sellita SW200-1
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,391
$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.

CWC E9 Automatic Diver Watch

Owners widely praise the CWC E9 Automatic Diver Watch for its military-spec toughness and satisfyingly easy-to-wind crown, with one owner calling it a perfect reissue due to its thin case, small size, and legibility. Some owners appreciate its durability and value as a beater or summer watch, noting its solid bars are a military requirement and highlighting its significant wrist presence and unique "Jolly Roger" dial design. Critics find the CWC E9 Automatic Diver Watch overpriced for its mineral crystal and 60-click bezel, despite its military heritage and HAQ movement, and its luminous paint is noted as low glow. Overall, owners rate the CWC E9 Automatic Diver Watch highly for its military-spec toughness and wrist presence, despite some reservations about its value proposition.

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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