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

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

What movement does the CWC Automatic Divers Watch Mk.2 Black with Date run compared to the Seiko Astron?

The CWC Automatic Divers Watch Mk.2 Black with Date runs a automatic caliber (Sellita SW200-1), while the Seiko Astron runs a quartz (5X83).

Side by side

CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko Astron

Q: Which is cheaper, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Astron?

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 Astron — a $1,251 gap before any retailer discounting.

Q: Which is bigger, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Astron?

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

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 Astron

ssh159j1

MSRP $2,500

At a glance

14 of 29 specs differ

Diameter

Automatic Divers Watch Mk.2 Black with Date41mm

Astron42mm

Power Reserve

Automatic Divers Watch Mk.2 Black with Date40h

Astron40h

Water Resistance

Automatic Divers Watch Mk.2 Black with Date300m

Astron100m

MSRP

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

Astron$2,500

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

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

5X83

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$1,249

$2,500

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