Side by side
Airain Watches Type 20vsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Type 2039mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Type 2063h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Type 2050m
Prospex SPEEDTIMER Mechanical200m
MSRP
Type 20$3,650
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
39.5mm
Thickness
14.77mm
12mm
Lug-to-Lug
47.7mm
44.5mm
Lug Width
—
20mm
Water Resistance
50m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
AM2
6R55
Type
Manual
Automatic
Power Reserve
63h
72h
Jewels
25
24
Pricing
1 specsMSRP
$3,650
$995
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