Side by side
Matterhorn Watch Co. DiveMaster 300vsSpinnaker Bradner GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
DiveMaster 30041mm
Bradner GMT42mm
Power Reserve
DiveMaster 30042h
Bradner GMT40h
Water Resistance
DiveMaster 300300m
Bradner GMT180m
MSRP
DiveMaster 300$401
Bradner GMT$299
Full specifications
Case
7 specsCategory
—
GMT
Diameter
41mm
42mm
Thickness
12.8mm
15mm
Lug-to-Lug
47mm
50mm
Lug Width
—
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
180m
Crystal & Dial
2 specsDial Color
Black
Brown
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
Seiko NH34A
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$299
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