Side by side
Borealis Watch Co. Estoril 300 GMTvsSheffield GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Estoril 300 GMT41.50mm
GMT40mm
Power Reserve
Estoril 300 GMT40h
GMT—
Water Resistance
Estoril 300 GMT300m
GMT200m
MSRP
Estoril 300 GMT$600
GMT—
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
41.50mm
40mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Seiko NH34
Power Reserve
40h
—
Pricing
1 specsMSRP
$600
—
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