Side by side
Matterhorn Watch Co. DiveMaster 300vsHelgray Poseidon Diver (Automatic)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
DiveMaster 30041mm
Poseidon Diver (Automatic)40mm
Power Reserve
DiveMaster 30042h
Poseidon Diver (Automatic)40h
Water Resistance
DiveMaster 300300m
Poseidon Diver (Automatic)300m
MSRP
DiveMaster 300$401
Poseidon Diver (Automatic)$249
Full specifications
Case
5 specsCategory
—
Diver
Diameter
41mm
40mm
Thickness
12.8mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
—
20mm
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
NH35 Warranty
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$249
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