Side by side
Duckworth Prestex Belmont 300 AutomaticvsGruppo Gamma Field III GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Belmont 300 Automatic42mm
Field III GMT40mm
Power Reserve
Belmont 300 Automatic38h
Field III GMT41h
Water Resistance
Belmont 300 Automatic300m
Field III GMT200m
MSRP
Belmont 300 Automatic$750
Field III GMT$459
Full specifications
Case
6 specsCategory
—
GMT
Diameter
42mm
40mm
Thickness
13mm
14mm
Lug-to-Lug
50mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
—
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 9039
Seiko Instruments NH38A
Power Reserve
38h
41h
Complications
None
GMT
Pricing
1 specsMSRP
$750
$459
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