Side by side
Borealis Watch Co. LusitanovsGrand Seiko SLGA015
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Lusitano39mm
SLGA01543.8mm
Power Reserve
Lusitano60h
SLGA015120h
Water Resistance
Lusitano100m
SLGA015200m
MSRP
Lusitano$350
SLGA015$12,600
Full specifications
Case
7 specsCategory
Dress
Diver
Diameter
39mm
43.8mm
Thickness
12.60mm
13.8mm
Lug-to-Lug
47mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
Yes
None
Movement
3 specsCaliber
Miyota 8315
9RA5
Type
Automatic
Spring Drive
Power Reserve
60h
120h
Pricing
1 specsMSRP
$350
$12,600
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