CWC E9 Automatic DivervsSeiko Prospex Sea

Add a watch

CWC E9 Automatic Diver

MSRP $2,120

See the full watch

Buy from CWC Used on eBay

Seiko Prospex Sea

MSRP $900

See the full watch

Buy from Seiko Used on eBay

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

E9 Automatic Diver

Prospex Sea

Diameter

Across the case, crown excluded.

41mm

Lug-to-Lug

The number that decides fit.

47mm

46.9mm

lowest

Thickness

How it sits under a cuff.

n/a

12.3mm

Water Resistance

Rated in meters.

300m

highest

200m

Power Reserve

How long it runs off the wrist.

n/a

70h

MSRP

Sticker price, new.

$2,120

$900

lowest

Movement

What drives the hands.

Sellita SW200-1

Seiko 6R35

Spec

E9 Automatic Diver

Prospex Sea

Case

3 specs

Thickness

n/a

12.3mm

Lug-to-Lug

47mm

46.9mm

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

n/a

Curved

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

n/a

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

Seiko 6R35

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$2,120

$900

Keep your wishlist and collection together in the appExplore the app

Get the app Get the app

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC E9 Automatic Diver

Owners widely praise the CWC (Cabot Watch Company) E9 Automatic Diver Watch for its classic dial design, excellent lume, and exceptionally durable PVD-coated case that withstands rough use. Reviewers note the 41mm case wears close to perfectly, with a modest 12mm thickness. One owner suggests replacing the mineral crystal with sapphire to prevent scratches. On balance, owners and reviewers rate the CWC (Cabot Watch Company) E9 Automatic Diver Watch highly for its legible dial and comfortable wearability.

Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.