Which is cheaper, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the CWC Automatic Divers Watch Mk.2 Black with Date is the cheaper of the two at $1,249, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $1,251 gap before any retailer discounting.

Which is bigger, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph wears larger at 42mm versus 41mm for the CWC Automatic Divers Watch Mk.2 Black with Date — a 1mm difference across the dial.

Which has better water resistance, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The CWC Automatic Divers Watch Mk.2 Black with Date is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

Which has a longer power reserve, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-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 SPEEDTIMER Mechanical Chronograph?

Both watches run automatic movements — the CWC Automatic Divers Watch Mk.2 Black with Date uses the Sellita SW200-1 and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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 SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

At a glance

13 of 29 specs differ

Diameter

Automatic Divers Watch Mk.2 Black with Date41mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

Automatic Divers Watch Mk.2 Black with Date40h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

Automatic Divers Watch Mk.2 Black with Date300m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

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

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

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 and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

8R48

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$1,249

$2,500

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