Side by side
Bremont Supermarine 300MvsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Supermarine 300M40mm
SBGW30636.5mm
Power Reserve
Supermarine 300M40h
SBGW30672h
Water Resistance
Supermarine 300M300m
SBGW306100m
MSRP
Supermarine 300M$3,550
SBGW306$17,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
40mm
36.5mm
Thickness
12mm
11.7mm
Lug-to-Lug
—
42.7mm
Lug Width
20mm
18mm
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
9S64
Type
Automatic
Manual
Power Reserve
40h
72h
Pricing
1 specsMSRP
$3,550
$17,900
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