Side by side
Impossible Watch Company IMP ChronographvsGruppo Gamma Field III GMT
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 GMT40mm
Power Reserve
IMP Chronograph42h
Field III GMT41h
Water Resistance
IMP Chronograph30m
Field III GMT200m
MSRP
IMP Chronograph$595
Field III GMT$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
Pricing
1 specsMSRP
$595
$459
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