Side by side

Matterhorn Watch Co. DiveMaster 300vsGrand Seiko SLGW003

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
SLGW003
Grand SeikoSLGW003
MSRP $11,600
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Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
DiveMaster 30041mm
SLGW00338.6mm
Power Reserve
DiveMaster 30042h
SLGW00380h
Water Resistance
DiveMaster 300300m
SLGW00330m
MSRP
DiveMaster 300$401
SLGW003$11,600

Full specifications

Case

7 specs
Category
—
Dress
Diameter
41mm
38.6mm
Thickness
12.8mm
9.95mm
Lug-to-Lug
47mm
45mm
Lug Width
—
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9SA4
Type
Automatic
Manual
Power Reserve
42h
80h

Pricing

1 specs
MSRP
—
$11,600
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