Side by side
Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
DiveMaster 30041mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Power Reserve
DiveMaster 30042h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
DiveMaster 300300m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
DiveMaster 300$401
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750
Full specifications
Case
5 specsCategory
—
Diver
Diameter
41mm
42mm
Thickness
12.8mm
13.3mm
Lug-to-Lug
47mm
48.6mm
Lug Width
—
20mm
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9015
6R54
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,750
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