Side by side
Bremont Supermarine 300MvsGrand Seiko SBGA384
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Supermarine 300M40mm
SBGA38440mm
Power Reserve
Supermarine 300M40h
SBGA38472h
Water Resistance
Supermarine 300M300m
SBGA384100m
MSRP
Supermarine 300M$3,550
SBGA384$29,500
Full specifications
Case
6 specsCategory
Diver
Dress
Thickness
12mm
12.5mm
Lug-to-Lug
—
46.2mm
Lug Width
20mm
19mm
Material
904L Stainless Steel
Gold
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Green
Black
Movement
3 specsCaliber
BE-92AE
9R15
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$3,550
$29,500
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