Side by side
Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea 1965 Heritage Diver's Watch
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 Sea 1965 Heritage Diver's Watch40mm
Power Reserve
DiveMaster 30042h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
DiveMaster 300300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
DiveMaster 300$401
Prospex Sea 1965 Heritage Diver's Watch$1,300
Full specifications
Case
5 specsCategory
—
Diver
Diameter
41mm
40mm
Thickness
12.8mm
13mm
Lug-to-Lug
47mm
46.4mm
Lug Width
—
20mm
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
6R55
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,300
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Matterhorn Watch Co. DiveMaster 300 vs Seiko Prospex Sea 1965 Heritage Diver's Watch gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Melbourne Watch Company SorrentovsSeiko Prospex Sea 1965 Heritage Diver's WatchCrafter Blue Mechanic Ocean Mark IIvsSeiko Prospex Sea 1965 Heritage Diver's WatchPhoibos Great WallvsSeiko Prospex Sea 1965 Heritage Diver's WatchBorealis Watch Co. JamantavsSeiko Prospex Sea 1965 Heritage Diver's WatchGeckota Sea-Hunter Dive WatchvsMatterhorn Watch Co. DiveMaster 300Lorier Hydra SIIIvsMatterhorn Watch Co. DiveMaster 300












