Which is cheaper, the CWC Arctic Radar Automatic Diver Watch or the Grand Seiko SBGR321?

At MSRP the CWC Arctic Radar Automatic Diver Watch is the cheaper of the two at $1,333, against $5,200 for the Grand Seiko SBGR321 — a $3,868 gap before any retailer discounting.

Which is bigger, the CWC Arctic Radar Automatic Diver Watch or the Grand Seiko SBGR321?

The CWC Arctic Radar Automatic Diver Watch wears larger at 41mm versus 40mm for the Grand Seiko SBGR321 — a 1mm difference across the dial.

Which has better water resistance, the CWC Arctic Radar Automatic Diver Watch or the Grand Seiko SBGR321?

The CWC Arctic Radar Automatic Diver Watch is rated to 300m versus 100m for the Grand Seiko SBGR321.

Which has a longer power reserve, the CWC Arctic Radar Automatic Diver Watch or the Grand Seiko SBGR321?

The Grand Seiko SBGR321 carries a 72-hour power reserve against 40 hours on the CWC Arctic Radar Automatic Diver Watch.

What movement does the CWC Arctic Radar Automatic Diver Watch run compared to the Grand Seiko SBGR321?

Both watches run automatic movements — the CWC Arctic Radar Automatic Diver Watch uses the Sellita SW200-1 and the Grand Seiko SBGR321 uses the 9S65.

Side by side

CWC Arctic Radar Automatic Diver WatchvsGrand Seiko SBGR321

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

CWC Arctic Radar Automatic Diver Watch

cwc-arctic-radar-automatic-diver-watch-white-dial

MSRP $1,333

Grand Seiko SBGR321

sbgr321g

MSRP $5,200

At a glance

11 of 29 specs differ

Diameter

Arctic Radar Automatic Diver Watch41mm

SBGR32140mm

Power Reserve

Arctic Radar Automatic Diver Watch40h

SBGR32172h

Water Resistance

Arctic Radar Automatic Diver Watch300m

SBGR321100m

MSRP

Arctic Radar Automatic Diver Watch$1,333

SBGR321$5,200

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

CWC Arctic Radar Automatic Diver Watch (White Dial)

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW200-1

9S65

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$1,333

$5,200

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