Side by side
Borealis Watch Co. Estoril 300 GMTvsSugess Ocean Star S450 YM
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
Ocean Star S450 YM40mm
Power Reserve
Estoril 300 GMT40h
Ocean Star S450 YM40h
Water Resistance
Estoril 300 GMT300m
Ocean Star S450 YM300m
MSRP
Estoril 300 GMT$600
Ocean Star S450 YM$449
Full specifications
Case
4 specsDiameter
41.50mm
40mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Crystal & Dial
1 specsLume
BGW9
Tritium
Movement
3 specsCaliber
Miyota 9075
Seiko NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Moonphase, Date
Pricing
1 specsMSRP
$600
$449
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