Side by side
Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
DiveMaster 30041mm
Prospex Sea41mm
Power Reserve
DiveMaster 30042h
Prospex Sea70h
Water Resistance
DiveMaster 300300m
Prospex Sea200m
MSRP
DiveMaster 300$401
Prospex Sea$900
Full specifications
Case
5 specsCategory
—
Diver
Thickness
12.8mm
12.3mm
Lug-to-Lug
47mm
46.9mm
Lug Width
—
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9015
6R35
Power Reserve
42h
70h
Jewels
25
24
Pricing
1 specsMSRP
—
$900
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