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Aera Instruments M-1vsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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

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M-1
Aera InstrumentsM-1
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
SeikoProspex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
MSRP $3,000
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Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
M-139mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
M-142h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
M-1100m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
M-1—
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

4 specs
Category
—
Chronograph
Diameter
39mm
42.5mm
Thickness
13.14mm
15.1mm
Lug-to-Lug
47.6mm
50mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dune
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW216-1
8R46
Type
Manual
Automatic
Power Reserve
42h
45h
Jewels
25
34

Pricing

1 specs
MSRP
—
$3,000
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CWC Cabot Steel Limited Edition WatchvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionCWC (Cabot Watch Company) Fifty Limited Edition Anniversary WatchvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionvsVPC Watch TYPE 37HWFarer Lethbridge GoldvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionAera Instruments M-1vsBremont Terra Nova 42.5 ChronographAera Instruments M-1vsWilliam Wood Triumph Chronograph
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