Side by side
Seiko Prospex SeavsMatterhorn Watch Co. DiveMaster 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Prospex Sea42mm
DiveMaster 30041mm
Power Reserve
Prospex Sea72h
DiveMaster 30042h
Water Resistance
Prospex Sea300m
DiveMaster 300300m
MSRP
Prospex Sea—
DiveMaster 300$401
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42mm
41mm
Thickness
13.3mm
12.8mm
Lug-to-Lug
48.6mm
47mm
Lug Width
20mm
—
Crystal & Dial
2 specsAR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
BGW9
Movement
3 specsCaliber
6R54
Miyota 9015
Power Reserve
72h
42h
Jewels
24
25
Pricing
1 specsMSRP
—
—
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