Side by side
Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsZRC 1904 Z.R.C Grands Fonds Heritage
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Z.R.C Grands Fonds Heritage39mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Z.R.C Grands Fonds Heritage41h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Z.R.C Grands Fonds Heritage300m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Z.R.C Grands Fonds Heritage$3,290
Full specifications
Case
5 specsCategory
Diver
—
Diameter
44mm
39mm
Thickness
13mm
2.4mm
Lug-to-Lug
49.3mm
46mm
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
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
$3,290
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