Side by side
Bremont Supermarine 300MvsOblvlo JM Rotor
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Supermarine 300M40mm
JM Rotor42mm
Power Reserve
Supermarine 300M40h
JM Rotor42h
Water Resistance
Supermarine 300M300m
JM Rotor50m
MSRP
Supermarine 300M$3,550
JM Rotor$299
Full specifications
Case
6 specsCategory
Diver
Sport
Diameter
40mm
42mm
Thickness
12mm
13mm
Lug-to-Lug
—
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
1 specsDial Color
Green
Black
Movement
3 specsCaliber
BE-92AE
Miyota 8215
Power Reserve
40h
42h
Jewels
25
21
Pricing
1 specsMSRP
$3,550
$299
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