Side by side
Borealis Watch Co. Estoril 300 GMTvsWilliam Wood International Association of Fire
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
International Association of Fire41mm
Power Reserve
Estoril 300 GMT40h
International Association of Fire40h
Water Resistance
Estoril 300 GMT300m
International Association of Fire100m
MSRP
Estoril 300 GMT$600
International Association of Fire$820
Full specifications
Case
6 specsDiameter
41.50mm
41mm
Thickness
13.5mm
15mm
Lug-to-Lug
47mm
49mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Standard
Lume
BGW9
None
Movement
1 specsCaliber
Miyota 9075
Seiko NH35
Pricing
1 specsMSRP
$600
$820
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