Side by side
Bremont Supermarine 300MvsTSAO Baltimore OLD BAY Timepiece
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Supermarine 300M40mm
OLD BAY Timepiece40mm
Power Reserve
Supermarine 300M40h
OLD BAY Timepiece41h
Water Resistance
Supermarine 300M300m
OLD BAY Timepiece200m
MSRP
Supermarine 300M$3,550
OLD BAY Timepiece$550
Full specifications
Case
5 specsCategory
Diver
—
Thickness
12mm
13.2mm
Lug-to-Lug
—
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Green
—
Movement
2 specsCaliber
BE-92AE
Seiko NH38
Power Reserve
40h
41h
Pricing
1 specsMSRP
$3,550
$550
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