Side by side

Matterhorn Watch Co. DiveMaster 300vsGrand Seiko SLGA009

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800

At a glance

12 of 29 specs differ
Diameter
DiveMaster 30041mm
SLGA00940mm
Power Reserve
DiveMaster 30042h
SLGA009120h
Water Resistance
DiveMaster 300300m
SLGA009100m
MSRP
DiveMaster 300$401
SLGA009$9,800

Full specifications

Case

6 specs
Category
Dress
Diameter
41mm
40mm
Thickness
12.8mm
11.8mm
Lug-to-Lug
47mm
47.9mm
Lug Width
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9RA2
Type
Automatic
Spring Drive
Power Reserve
42h
120h

Pricing

1 specs
MSRP
$9,800
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