Which is cheaper, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex SPEEDTIMER?

At MSRP the Seiko Prospex SPEEDTIMER is the cheaper of the two at $725, against $1,875 for the CWC RN81 Clearance Diver Automatic Watch — a $1,150 gap before any retailer discounting.

Which is bigger, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex SPEEDTIMER?

The CWC RN81 Clearance Diver Automatic Watch wears larger at 41mm versus 39mm for the Seiko Prospex SPEEDTIMER — a 2mm difference across the dial.

Which has better water resistance, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex SPEEDTIMER?

The CWC RN81 Clearance Diver Automatic Watch is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER.

What movement does the CWC RN81 Clearance Diver Automatic Watch run compared to the Seiko Prospex SPEEDTIMER?

The CWC RN81 Clearance Diver Automatic Watch runs a automatic caliber (Sellita SW200-1), while the Seiko Prospex SPEEDTIMER runs a quartz (V192).

Side by side

CWC RN81 Clearance Diver Automatic WatchvsSeiko Prospex SPEEDTIMER

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

CWC RN81 Clearance Diver Automatic Watch

cwc-rn81-clearance-diver-watch

MSRP $1,875

Seiko Prospex SPEEDTIMER

ssc813

MSRP $725

At a glance

12 of 29 specs differ

Diameter

RN81 Clearance Diver Automatic Watch41mm

Prospex SPEEDTIMER39mm

Power Reserve

RN81 Clearance Diver Automatic Watch40h

Prospex SPEEDTIMER40h

Water Resistance

RN81 Clearance Diver Automatic Watch300m

Prospex SPEEDTIMER100m

MSRP

RN81 Clearance Diver Automatic Watch$1,875

Prospex SPEEDTIMER$725

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 RN81 Clearance Diver Automatic Watch

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Sellita SW200-1

V192

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$1,875

$725

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