Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea

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DiveMaster 300
Matterhorn Watch Co.DiveMaster 300

MSRP $401

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Prospex Sea
SeikoProspex Sea

MSRP $900

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Matterhorn Watch Co. DiveMaster 300 at true scale

DiveMaster 300

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

41mm

41mm

Lug-to-Lug

47mm

46.9mm

lowest

Thickness

12.8mm

12.3mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

42h

70h

highest

MSRP

$401

lowest

$900

Movement

Miyota 9015

Seiko 6R35

Case

4 specs
Thickness
12.8mm
12.3mm
Lug-to-Lug
47mm
46.9mm
Lug Width
n/a
20mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Black
n/a
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
Seiko 6R35
Power Reserve
42h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$401
$900
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