Side by side
Naga Watches Granturismo ChronographvsSeiko 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
14 of 29 specs differDiameter
Granturismo Chronograph39mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Granturismo Chronograph—
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Granturismo Chronograph100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Granturismo Chronograph$539
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
43.4mm
Thickness
11mm
13.4mm
Lug-to-Lug
—
49.5mm
Lug Width
—
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seiko VK64
5X83
Type
Mecaquartz
Quartz
Power Reserve
—
40h
Jewels
25
14
Pricing
1 specsMSRP
—
$2,900
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