Side by side
Mark Time Watches M 1vsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M 142mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
M 1—
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
M 1100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
M 1$345
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
5 specsCategory
—
Diver
Thickness
12.5mm
12.9mm
Lug-to-Lug
49.5mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dark Blue
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
$345
$1,500
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