Side by side
Mark Time Watches M 4vsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
M 439mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
M 4—
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
M 4300m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
M 4—
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350
Full specifications
Case
5 specsCategory
—
Diver
Diameter
39mm
42.7mm
Thickness
12.1mm
13.2mm
Lug-to-Lug
46mm
46.4mm
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR 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
6R35
Power Reserve
—
70h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,350
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