Side by side
Impossible Watch Company IMP ChronographvsGruppo Gamma Field III GMT Date
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
Field III GMT Date40mm
Power Reserve
IMP Chronograph42h
Field III GMT Date41h
Water Resistance
IMP Chronograph30m
Field III GMT Date200m
MSRP
IMP Chronograph$595
Field III GMT Date$459
Full specifications
Case
6 specsCategory
—
GMT
Diameter
38.5mm
40mm
Thickness
13.5mm
14mm
Lug-to-Lug
—
48.5mm
Lug Width
20mm
22mm
Water Resistance
30m
200m
Crystal & Dial
4 specsCrystal
K1
Sapphire
AR Coating
Inner
Yes
Dial Color
Silver Gilt
Black
Lume
None
Super-LumiNova
Movement
4 specsCaliber
Seagull ST1901
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
42h
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
$595
$459
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