Side by side

Bremont Supermarine 300MvsRiley Watch Co Heritage Automatic

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

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Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Heritage Automatic
Riley Watch CoHeritage Automatic
MSRP $401
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Buy from Riley Watch Co ↗
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At a glance

8 of 29 specs differ
Diameter
Supermarine 300M40mm
Heritage Automatic40mm
Power Reserve
Supermarine 300M40h
Heritage Automatic40h
Water Resistance
Supermarine 300M300m
Heritage Automatic50m
MSRP
Supermarine 300M$3,550
Heritage Automatic$401

Full specifications

Case

5 specs
Category
Diver
—
Thickness
12mm
11mm
Lug-to-Lug
—
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
Green
—

Movement

1 specs
Caliber
BE-92AE
Miyota 8N24

Pricing

1 specs
MSRP
$3,550
—
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Riley Watch Co Heritage AutomaticvsSpinnaker Spence 300Riley Watch Co Heritage AutomaticvsGalo Super200 Dark EditionRiley Watch Co Heritage AutomaticvsGalo Super200Phoibos Eagle Ray No DatevsRiley Watch Co Heritage AutomaticBremont Supermarine 300MvsMarloe Watch Company Motorsport 105Bremont Supermarine 300MvsMarloe Watch Company Motorsport 25
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