Side by side
Borealis Watch Co. LusitanovsSeiko Astron GPS Solar 2025 Limited Edition
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
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Lusitano60h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Lusitano100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Lusitano$350
Astron GPS Solar 2025 Limited Edition$2,600
Full specifications
Case
6 specsCategory
Dress
GMT
Diameter
39mm
42mm
Thickness
12.60mm
12mm
Lug-to-Lug
47mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
2 specsAR Coating
Inner
Super-clear coating
Lume
Yes
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Miyota 8315
3X62
Type
Automatic
Quartz
Power Reserve
60h
40h
Jewels
25
10
Pricing
1 specsMSRP
$350
$2,600
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