Side by side
Borealis Watch Co. Estoril 300 GMTvsHelgray Speedster (Silver Panda)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Estoril 300 GMT41.50mm
Speedster (Silver Panda)39mm
Power Reserve
Estoril 300 GMT40h
Speedster (Silver Panda)40h
Water Resistance
Estoril 300 GMT300m
Speedster (Silver Panda)30m
MSRP
Estoril 300 GMT$600
Speedster (Silver Panda)$299
Full specifications
Case
6 specsCategory
Diver
Chronograph
Diameter
41.50mm
39mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
30m
Crystal & Dial
1 specsLume
BGW9
None
Movement
1 specsCaliber
Miyota 9075
Miyota 6S21
Pricing
1 specsMSRP
$600
$299
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