Side by side
Borealis Watch Co. Estoril 300 GMTvsDuckworth Prestex Belmont 300 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Estoril 300 GMT41.50mm
Belmont 300 Automatic42mm
Power Reserve
Estoril 300 GMT40h
Belmont 300 Automatic38h
Water Resistance
Estoril 300 GMT300m
Belmont 300 Automatic300m
MSRP
Estoril 300 GMT$600
Belmont 300 Automatic$750
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41.50mm
42mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
50mm
Lug Width
20mm
20mm
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Miyota 9039
Power Reserve
40h
38h
Pricing
1 specsMSRP
$600
$750
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