Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited EditionvsMatterhorn Watch Co. DiveMaster 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
DiveMaster 30041mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
DiveMaster 30042h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
DiveMaster 300300m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900
DiveMaster 300$401
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42.6mm
41mm
Thickness
14.1mm
12.8mm
Lug-to-Lug
49.3mm
47mm
Lug Width
20mm
—
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
BGW9
Movement
3 specsCaliber
8L45
Miyota 9015
Power Reserve
72h
42h
Jewels
35
25
Pricing
1 specsMSRP
$3,900
—
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