Side by side
Borealis Watch Co. Estoril 300 GMTvsMarnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)
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
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)39mm
Power Reserve
Estoril 300 GMT40h
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)41h
Water Resistance
Estoril 300 GMT300m
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)100m
MSRP
Estoril 300 GMT$600
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)$1,042
Full specifications
Case
6 specsCategory
Diver
—
Diameter
41.50mm
39mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
45mm
Lug Width
20mm
20mm
Water Resistance
300m
100m
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
Miyota 9075
Sellita SW200-1
Power Reserve
40h
41h
Pricing
1 specsMSRP
$600
—
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