Side by side
Naga Watches SpirevsSeiko Astron GPS Solar 2024 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Spire39mm
Astron GPS Solar 2024 Limited Edition41.2mm
Power Reserve
Spire—
Astron GPS Solar 2024 Limited Edition40h
Water Resistance
Spire100m
Astron GPS Solar 2024 Limited Edition100m
MSRP
Spire$853
Astron GPS Solar 2024 Limited Edition$2,300
Full specifications
Case
6 specsCategory
—
GMT
Diameter
39mm
41.2mm
Thickness
9.9mm
12mm
Lug-to-Lug
—
48.5mm
Lug Width
—
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Miyota 9039
3X62
Type
Automatic
Quartz
Power Reserve
—
40h
Jewels
25
10
Pricing
1 specsMSRP
—
$2,300
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