Side by side
Bremont Supermarine 300MvsDuckworth Prestex Broadgate GMT Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Supermarine 300M40mm
Broadgate GMT Automatic40mm
Power Reserve
Supermarine 300M40h
Broadgate GMT Automatic40h
Water Resistance
Supermarine 300M300m
Broadgate GMT Automatic200m
MSRP
Supermarine 300M$3,550
Broadgate GMT Automatic$895
Full specifications
Case
5 specsCategory
Diver
—
Thickness
12mm
12.5mm
Lug-to-Lug
—
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Green
—
Movement
1 specsCaliber
BE-92AE
Miyota 9075
Pricing
1 specsMSRP
$3,550
$895
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