Side by side
Impossible Watch Company IMP ChronographvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
IMP Chronograph38.5mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
IMP Chronograph42h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
IMP Chronograph30m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
IMP Chronograph$595
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
Full specifications
Case
5 specsCategory
—
Diver
Diameter
38.5mm
42mm
Thickness
13.5mm
13.3mm
Lug-to-Lug
—
48.6mm
Water Resistance
30m
300m
Crystal & Dial
4 specsCrystal
K1
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Silver Gilt
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
4 specsCaliber
Seagull ST1901
6R54
Type
Manual
Automatic
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
$595
$1,700
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