Side by side

Aigi Watches 1RSUvsSeiko Prospex SPEEDTIMER Mechanical

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 SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995
See the full Prospex SPEEDTIMER Mechanical
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
1RSU40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
1RSU40h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
1RSU200m
Prospex SPEEDTIMER Mechanical200m
MSRP
1RSU$910
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

3 specs
Category
—
Chronograph
Diameter
40mm
39.5mm
Lug-to-Lug
46mm
44.5mm

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9075
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$910
$995
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