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

At MSRP the Seiko Prospex SPEEDTIMER Mechanical is the cheaper of the two at $995, against $1,249 for the CWC Automatic Divers Watch Mk.2 Black with Date — a $254 gap before any retailer discounting.

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

The CWC Automatic Divers Watch Mk.2 Black with Date wears larger at 41mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 1.5mm 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?

The CWC Automatic Divers Watch Mk.2 Black with Date is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

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

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-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?

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 uses the 6R55.

Side by side

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

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

spb513j1

MSRP $995

At a glance

12 of 29 specs differ

Diameter

Automatic Divers Watch Mk.2 Black with Date41mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Automatic Divers Watch Mk.2 Black with Date40h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Automatic Divers Watch Mk.2 Black with Date300m

Prospex SPEEDTIMER Mechanical200m

MSRP

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

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

4 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

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$1,249

$995

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