Which is cheaper, the Bremont Supermarine 300M or the CWC Quartz Divers Watch Mk.2 Polished Case?

At MSRP the CWC Quartz Divers Watch Mk.2 Polished Case is the cheaper of the two at $583, against $3,550 for the Bremont Supermarine 300M — a $2,968 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the CWC Quartz Divers Watch Mk.2 Polished Case?

The CWC Quartz Divers Watch Mk.2 Polished Case 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 Quartz Divers Watch Mk.2 Polished Case?

The Bremont Supermarine 300M runs a automatic caliber (BE-92AE), while the CWC Quartz Divers Watch Mk.2 Polished Case runs a quartz (Ronda 517).

Side by side

Bremont Supermarine 300MvsCWC Quartz Divers Watch Mk.2 Polished Case

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 Quartz Divers Watch Mk.2 Polished Case

cwc-royal-navy-divers-quartz-watch-mk-2

MSRP $583

At a glance

8 of 29 specs differ

Diameter

Supermarine 300M40mm

Quartz Divers Watch Mk.2 Polished Case41mm

Power Reserve

Supermarine 300M40h

Quartz Divers Watch Mk.2 Polished Case40h

Water Resistance

Supermarine 300M300m

Quartz Divers Watch Mk.2 Polished Case300m

MSRP

Supermarine 300M$3,550

Quartz Divers Watch Mk.2 Polished Case$583

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 Quartz Divers Watch Mk.2 Polished Case (RN300-P QS120)

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

BE-92AE

Ronda 517

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$3,550

$583

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