Side by side
Borealis Watch Co. Estoril 300 GMTvsHelgray California (Refurbished)
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
California (Refurbished)42mm
Power Reserve
Estoril 300 GMT40h
California (Refurbished)40h
Water Resistance
Estoril 300 GMT300m
California (Refurbished)50m
MSRP
Estoril 300 GMT$600
California (Refurbished)$179
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
41.50mm
42mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
50m
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Swiss-Made Ronda 6004.B Strap
Type
Automatic
Quartz
Pricing
1 specsMSRP
$600
$179
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