Side by side
Borealis Watch Co. LusitanovsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Lusitano39mm
Dumas GMT44mm
Power Reserve
Lusitano60h
Dumas GMT40h
Water Resistance
Lusitano100m
Dumas GMT300m
MSRP
Lusitano$350
Dumas GMT$399
Full specifications
Case
7 specsCategory
Dress
GMT
Diameter
39mm
44mm
Thickness
12.60mm
15mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
Yes
None
Movement
2 specsCaliber
Miyota 8315
Seiko NH34A
Power Reserve
60h
40h
Pricing
1 specsMSRP
$350
$399
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