Side by side
Duckworth Prestex Belmont 300 AutomaticvsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Belmont 300 Automatic42mm
Dumas GMT44mm
Power Reserve
Belmont 300 Automatic38h
Dumas GMT40h
Water Resistance
Belmont 300 Automatic300m
Dumas GMT300m
MSRP
Belmont 300 Automatic$750
Dumas GMT$399
Full specifications
Case
6 specsCategory
—
GMT
Diameter
42mm
44mm
Thickness
13mm
15mm
Lug-to-Lug
50mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsDial Color
—
Blue
Movement
2 specsCaliber
Miyota 9039
Seiko NH34A
Power Reserve
38h
40h
Pricing
1 specsMSRP
$750
$399
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