Side by side
Borealis Watch Co. Estoril 300 GMTvsSheffield Allsport Diver 1
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
Allsport Diver 140mm
Power Reserve
Estoril 300 GMT40h
Allsport Diver 1—
Water Resistance
Estoril 300 GMT300m
Allsport Diver 1200m
MSRP
Estoril 300 GMT$600
Allsport Diver 1—
Full specifications
Case
5 specsDiameter
41.50mm
40mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
—
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$600
—
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