CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko Prospex Sea

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CWC Automatic Divers Watch Mk.2 Black with Date

MSRP $1,249

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Buy from CWC Used on eBay

Seiko Prospex Sea

MSRP $900

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Buy from Seiko Used on eBay

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Measurements

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

Automatic Divers Watch Mk.2 Black with Date

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.

$1,249

$900

lowest

Movement

What drives the hands.

Sellita SW200-1

Seiko 6R35

Spec

Automatic Divers Watch Mk.2 Black with Date

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

CWC Automatic Divers Watch Mk.2 Black with Date (SF300 AS120-D)

n/a

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

Seiko 6R35

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$1,249

$900

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Reviews

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

CWC Automatic Divers Watch Mk.2 Black with Date

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black with Date for its brushed chapter ring, precise 120-click bezel, scratch-resistant sapphire crystal, excellent case finishing, and improved lume. Reviewers highlight its classic, highly legible dial design and durable black PVD coating. Some users note a price increase over previous models, and the day/date function is considered by some to be a "vexing" addition. The watch is recognized for its historical significance as a military instrument. Overall, owners and reviewers highly regard the CWC Automatic Divers Watch Mk.2 Black with Date for its robust build, legibility, and military heritage.

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.