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Riley Watch Co Heritage AutomaticvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Heritage Automatic
Riley Watch CoHeritage Automatic
MSRP $401
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
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At a glance

13 of 29 specs differ
Diameter
Heritage Automatic40mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Heritage Automatic40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Heritage Automatic50m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Heritage Automatic$401
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Category
—
Diver
Diameter
40mm
44mm
Thickness
11mm
13mm
Lug-to-Lug
46mm
49.3mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal 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 specs
Caliber
Miyota 8N24
8L35
Power Reserve
40h
50h
Jewels
25
26

Pricing

1 specs
MSRP
—
$3,300
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