Side by side
Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
DiveMaster 30041mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
DiveMaster 30042h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
DiveMaster 300300m
Prospex SPEEDTIMER Mechanical200m
MSRP
DiveMaster 300$401
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
41mm
39.5mm
Thickness
12.8mm
12mm
Lug-to-Lug
47mm
44.5mm
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 and index(es)
Movement
3 specsCaliber
Miyota 9015
6R55
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$995
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