Side by side
Borealis Watch Co. Estoril 300 GMTvsLum-Tec B68 Day Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Estoril 300 GMT41.50mm
B68 Day Date44mm
Power Reserve
Estoril 300 GMT40h
B68 Day Date40h
Water Resistance
Estoril 300 GMT300m
B68 Day Date200m
MSRP
Estoril 300 GMT$600
B68 Day Date$595
Full specifications
Case
7 specsCategory
Diver
Sport
Diameter
41.50mm
44mm
Thickness
13.5mm
—
Lug-to-Lug
47mm
51.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
B68 Day Date
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Ronda 515
Type
Automatic
Quartz
Pricing
1 specsMSRP
$600
$595
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