Which is cheaper, the CWC RN81 Clearance Diver Automatic Watch or the Hamilton Khaki Aviation Day Date Auto?

At MSRP the Hamilton Khaki Aviation Day Date Auto is the cheaper of the two at $1,125, against $1,875 for the CWC RN81 Clearance Diver Automatic Watch — a $750 gap before any retailer discounting.

Which is bigger, the CWC RN81 Clearance Diver Automatic Watch or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto wears larger at 42mm versus 41mm for the CWC RN81 Clearance Diver Automatic Watch — a 1mm difference across the dial.

Which has better water resistance, the CWC RN81 Clearance Diver Automatic Watch or the Hamilton Khaki Aviation Day Date Auto?

The CWC RN81 Clearance Diver Automatic Watch is rated to 300m versus 100m for the Hamilton Khaki Aviation Day Date Auto.

Which has a longer power reserve, the CWC RN81 Clearance Diver Automatic Watch or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 40 hours on the CWC RN81 Clearance Diver Automatic Watch.

What movement does the CWC RN81 Clearance Diver Automatic Watch run compared to the Hamilton Khaki Aviation Day Date Auto?

Both watches run automatic movements — the CWC RN81 Clearance Diver Automatic Watch uses the Sellita SW200-1 and the Hamilton Khaki Aviation Day Date Auto uses the H-40.

Side by side

CWC RN81 Clearance Diver Automatic WatchvsHamilton Khaki Aviation Day Date Auto

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

Hamilton Khaki Aviation Day Date Auto

h64645131

MSRP $1,125

At a glance

10 of 29 specs differ

Diameter

RN81 Clearance Diver Automatic Watch41mm

Khaki Aviation Day Date Auto42mm

Power Reserve

RN81 Clearance Diver Automatic Watch40h

Khaki Aviation Day Date Auto80h

Water Resistance

RN81 Clearance Diver Automatic Watch300m

Khaki Aviation Day Date Auto100m

MSRP

RN81 Clearance Diver Automatic Watch$1,875

Khaki Aviation Day Date Auto$1,125

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

CWC RN81 Clearance Diver Automatic Watch

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW200-1

H-40

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$1,875

$1,125

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