Side by side

Aera Instruments D-1vsSeiko 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.

At a glance

13 of 29 specs differ
Diameter
D-144mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
D-141h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
D-1300m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
D-1$2,000
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Category
Diver
Thickness
15.9mm
13mm
Lug-to-Lug
49.55mm
49.3mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
8L35
Power Reserve
41h
50h
Jewels
0
26

Pricing

1 specs
MSRP
$2,000
$3,300
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