Side by side
Impossible Watch Company IMP ChronographvsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
IMP Chronograph38.5mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
IMP Chronograph42h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
IMP Chronograph30m
Prospex SPEEDTIMER Mechanical200m
MSRP
IMP Chronograph$595
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
38.5mm
39.5mm
Thickness
13.5mm
12mm
Lug-to-Lug
—
44.5mm
Water Resistance
30m
200m
Crystal & Dial
5 specsCrystal
K1
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Silver Gilt
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seagull ST1901
6R55
Type
Manual
Automatic
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
$595
$995
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