Which is cheaper, the Bremont Supermarine 500M or the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date?

At MSRP the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date is the cheaper of the two at $3,174, against $4,700 for the Bremont Supermarine 500M — a $1,526 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 500M or the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date?

The Bremont Supermarine 500M wears larger at 43mm versus 40mm for the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date — a 3mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 500M or the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date?

The Bremont Supermarine 500M is rated to 500m versus 300m for the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date.

What movement does the Bremont Supermarine 500M run compared to the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date?

Both watches run automatic movements — the Bremont Supermarine 500M uses the BE-92AE and the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date uses the ETA 2824.

Side by side

Bremont Supermarine 500MvsCWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date

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

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Bremont Supermarine 500M

sm43-dt-ss-bk-n-s

MSRP $4,700

CWC (Cabot Watch Company)RN300 Automatic Diver Mk.1 Tritium Watch With Date

cwc-rn300-automatic-diver-mk-1-tritium-watch-with-date

MSRP $3,174

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At a glance

11 of 29 specs differ

Diameter

Supermarine 500M43mm

RN300 Automatic Diver Mk.1 Tritium Watch With Date40mm

Power Reserve

Supermarine 500M40h

RN300 Automatic Diver Mk.1 Tritium Watch With Date40h

Water Resistance

Supermarine 500M500m

RN300 Automatic Diver Mk.1 Tritium Watch With Date300m

MSRP

Supermarine 500M$4,700

RN300 Automatic Diver Mk.1 Tritium Watch With Date$3,174

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Mineral

Dial Color

Black

—

Movement

1 specs

Caliber

BE-92AE

ETA 2824

Pricing

1 specs

MSRP

$4,700

—

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Bremont Supermarine 500MvsCWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date

At a glance

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