Side by side

Matterhorn Watch Co. DiveMaster 300vsSpinnaker Challenger Automatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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DiveMaster 300
Matterhorn Watch Co.DiveMaster 300
MSRP $401
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
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Buy from Spinnaker ↗
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At a glance

12 of 29 specs differ
Diameter
DiveMaster 30041mm
Challenger Automatic42mm
Power Reserve
DiveMaster 30042h
Challenger Automatic40h
Water Resistance
DiveMaster 300300m
Challenger Automatic200m
MSRP
DiveMaster 300$401
Challenger Automatic$289

Full specifications

Case

7 specs
Category
—
Diver
Diameter
41mm
42mm
Thickness
12.8mm
19mm
Lug-to-Lug
47mm
49.5mm
Lug Width
—
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9015
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$289
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