Side by side

Aigi Watches 1RSUvsSeiko Prospex Sea

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

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1RSU
Aigi Watches1RSU
MSRP $910
See the full 1RSU
Prospex Sea
SeikoProspex Sea
MSRP $900
See the full Prospex Sea
Buy from Aigi Watches ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
1RSU40mm
Prospex Sea41mm
Power Reserve
1RSU40h
Prospex Sea70h
Water Resistance
1RSU200m
Prospex Sea200m
MSRP
1RSU$910
Prospex Sea$900

Full specifications

Case

4 specs
Category
—
Diver
Diameter
40mm
41mm
Thickness
12mm
12.3mm
Lug-to-Lug
46mm
46.9mm

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9075
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$910
$900
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