Side by side
Aera Instruments D-1vsSeiko Prospex Sea The Black Series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
D-144mm
Prospex Sea The Black Series45mm
Power Reserve
D-141h
Prospex Sea The Black Series41h
Water Resistance
D-1300m
Prospex Sea The Black Series200m
MSRP
D-1$2,000
Prospex Sea The Black Series$765
Full specifications
Case
5 specsCategory
—
Diver
Diameter
44mm
45mm
Thickness
15.9mm
13.2mm
Lug-to-Lug
49.55mm
47.7mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
2 specsCaliber
Sellita SW200-1
Seiko 4R36
Jewels
0
24
Pricing
1 specsMSRP
$2,000
$765
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