Side by side
Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea Save the Ocean Special 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 Save the Ocean Special Edition43.8mm
Power Reserve
DiveMaster 30042h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
DiveMaster 300300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
DiveMaster 300$401
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
5 specsCategory
—
Diver
Diameter
41mm
43.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
—
22mm
Water Resistance
300m
200m
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
4R35
Power Reserve
42h
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$650
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