Which is cheaper, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea The Black Series?

At MSRP the Seiko Prospex Sea The Black Series is the cheaper of the two at $765, against $1,249 for the CWC Automatic Divers Watch Mk.2 Black with Date — a $484 gap before any retailer discounting.

Which is bigger, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series wears larger at 45mm versus 41mm for the CWC Automatic Divers Watch Mk.2 Black with Date — a 4mm difference across the dial.

Which has better water resistance, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea The Black Series?

The CWC Automatic Divers Watch Mk.2 Black with Date is rated to 300m versus 200m for the Seiko Prospex Sea The Black Series.

Which has a longer power reserve, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series carries a 41-hour power reserve against 40 hours on the CWC Automatic Divers Watch Mk.2 Black with Date.

What movement does the CWC Automatic Divers Watch Mk.2 Black with Date run compared to the Seiko Prospex Sea The Black Series?

Both watches run automatic movements — the CWC Automatic Divers Watch Mk.2 Black with Date uses the Sellita SW200-1 and the Seiko Prospex Sea The Black Series uses the 4R36.

Side by side

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

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

CWC Automatic Divers Watch Mk.2 Black with Date

cwc-royal-navy-black-diver-automatic-mk-2-with-date

MSRP $1,249

Seiko Prospex Sea The Black Series

srpk43

MSRP $765

At a glance

12 of 29 specs differ

Diameter

Automatic Divers Watch Mk.2 Black with Date41mm

Prospex Sea The Black Series45mm

Power Reserve

Automatic Divers Watch Mk.2 Black with Date40h

Prospex Sea The Black Series41h

Water Resistance

Automatic Divers Watch Mk.2 Black with Date300m

Prospex Sea The Black Series200m

MSRP

Automatic Divers Watch Mk.2 Black with Date$1,249

Prospex Sea The Black Series$765

Full specifications

Case

5 specs

Diameter

41mm

45mm

Thickness

12mm

13.2mm

Lug-to-Lug

47mm

47.7mm

Lug Width

20mm

22mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

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

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$1,249

$765

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