Side by side
Mark Time Watches M 4vsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited 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
M 439mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
M 4—
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
M 4300m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
M 4—
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Full specifications
Case
4 specsCategory
—
Diver
Diameter
39mm
42mm
Thickness
12.1mm
13.3mm
Lug-to-Lug
46mm
48.6mm
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9039
6R54
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,750
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 Mark Time Watches M 4 vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition 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.
Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsGalo Super200 Dark EditionSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsGalo Super200Baltic Aquascaphe ClassicvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionGeckota Ocean-Scout Dive WatchvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionGeckota Sea-Hunter Dive WatchvsMark Time Watches M 4Echo/Neutra Cristallo Professional Diver 500mvsMark Time Watches M 4