Side by side
Bremont Supermarine 300MvsBorealis Watch Co. Jamanta
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
Jamanta42.50mm
Power Reserve
Supermarine 300M40h
Jamanta40h
Water Resistance
Supermarine 300M300m
Jamanta300m
MSRP
Supermarine 300M$3,550
Jamanta$415
Full specifications
Case
5 specsDiameter
40mm
42.50mm
Thickness
12mm
13.30mm
Lug-to-Lug
—
50.40mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsDial Color
Green
Black
Lume
None
BGW9
Movement
1 specsCaliber
BE-92AE
Miyota 9015
Pricing
1 specsMSRP
$3,550
$415
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