Side by side
Pook Watches Nitrogen IvsSeiko 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
16 of 29 specs differDiameter
Nitrogen I42mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Nitrogen I—
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Nitrogen I100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Nitrogen I$269
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
42mm
43.4mm
Thickness
—
13.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
5 specsCrystal
K1
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
—
Black
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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