Side by side
Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsZero West M1 Series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
M1 Series41mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
M1 Series41h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
M1 Series100m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
M1 Series$3,600
Full specifications
Case
6 specsCategory
Diver
—
Diameter
44mm
41mm
Thickness
13mm
13.5mm
Lug-to-Lug
49.3mm
46mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
8L35
Sellita SW200-1
Power Reserve
50h
41h
Jewels
26
25
Pricing
1 specsMSRP
$3,300
$3,600
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