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

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CWC RN Automatic Divers Watch Mk.2 with Date

MSRP $1,249

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Buy from CWC Used on eBay

Seiko Prospex Sea

MSRP $900

See the full watch

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.

RN Automatic Divers Watch Mk.2 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

RN Automatic Divers Watch Mk.2 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 RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT 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 RN Automatic Divers Watch Mk.2 with Date

Owners widely praise the CWC RN Automatic Divers Watch Mk.2 with Date for its authentic vintage look and legible dial, with reviewers noting its faithful homage to the 1980 original and durable 41mm case. The watch features an upgraded sapphire crystal and improved lume, and its 120-click bezel is described as perfectly clicking. Some find the vintage-tinted dial and hands' gold tone slightly too pronounced and the applied paint too glossy, while the day/date function draws mixed opinions. On balance, owners and reviewers rate the CWC RN Automatic Divers Watch Mk.2 with Date highly for its authentic vintage aesthetic and robust build.

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.