Which is cheaper, the Bremont Supermarine 300M or the CWC RN81 Clearance Diver Automatic Watch?

At MSRP the CWC RN81 Clearance Diver Automatic Watch is the cheaper of the two at $1,875, against $3,550 for the Bremont Supermarine 300M — a $1,675 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the CWC RN81 Clearance Diver Automatic Watch?

The CWC RN81 Clearance Diver Automatic Watch wears larger at 41mm versus 40mm for the Bremont Supermarine 300M — a 1mm difference across the dial.

What movement does the Bremont Supermarine 300M run compared to the CWC RN81 Clearance Diver Automatic Watch?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the CWC RN81 Clearance Diver Automatic Watch uses the Sellita SW200-1.

Side by side

Bremont Supermarine 300MvsCWC RN81 Clearance Diver Automatic Watch

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

CWC RN81 Clearance Diver Automatic Watch

cwc-rn81-clearance-diver-watch

MSRP $1,875

At a glance

7 of 29 specs differ

Diameter

Supermarine 300M40mm

RN81 Clearance Diver Automatic Watch41mm

Power Reserve

Supermarine 300M40h

RN81 Clearance Diver Automatic Watch40h

Water Resistance

Supermarine 300M300m

RN81 Clearance Diver Automatic Watch300m

MSRP

Supermarine 300M$3,550

RN81 Clearance Diver Automatic Watch$1,875

Full specifications

Case

3 specs

Diameter

40mm

41mm

Lug-to-Lug

—

47mm

Material

904L Stainless Steel

Stainless Steel

Crystal & Dial

2 specs

Dial Color

Green

CWC RN81 Clearance Diver Automatic Watch

Lume

None

Super-LumiNova

Movement

1 specs

Caliber

BE-92AE

Sellita SW200-1

Pricing

1 specs

MSRP

$3,550

$1,875

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