Side by side

Matterhorn Watch Co. DiveMaster 300vsGrand Seiko SBGK007

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
SBGK007
Grand SeikoSBGK007
MSRP $7,300
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Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
DiveMaster 30041mm
SBGK00739mm
Power Reserve
DiveMaster 30042h
SBGK00772h
Water Resistance
DiveMaster 300300m
SBGK00730m
MSRP
DiveMaster 300$401
SBGK007$7,300

Full specifications

Case

6 specs
Category
—
Dress
Diameter
41mm
39mm
Thickness
12.8mm
11.6mm
Lug-to-Lug
47mm
44mm
Lug Width
—
19mm
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9S63
Type
Automatic
Manual
Power Reserve
42h
72h

Pricing

1 specs
MSRP
—
$7,300
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All alternatives to the DiveMaster 300 →All alternatives to the SBGK007 →
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