Side by side

Bremont Supermarine 300MvsSheffield 1A 40mm

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
1A 40mm
Sheffield1A 40mm
MSRP $228
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Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
Supermarine 300M40mm
1A 40mm40mm
Power Reserve
Supermarine 300M40h
1A 40mm40h
Water Resistance
Supermarine 300M300m
1A 40mm200m
MSRP
Supermarine 300M$3,550
1A 40mm$228

Full specifications

Case

5 specs
Category
Diver
—
Thickness
12mm
13mm
Lug-to-Lug
—
48mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
—

Movement

1 specs
Caliber
BE-92AE
Seiko NH35

Pricing

1 specs
MSRP
$3,550
$228
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