Side by side
Seiko Astron GPS Solar 2025 Limited EditionvsZero West L3 Longitude
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
15 of 29 specs differDiameter
Astron GPS Solar 2025 Limited Edition43.4mm
L3 Longitude42mm
Power Reserve
Astron GPS Solar 2025 Limited Edition—
L3 Longitude41h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
L3 Longitude100m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
L3 Longitude$2,495
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
43.4mm
42mm
Thickness
13.4mm
13.2mm
Lug-to-Lug
49.5mm
47mm
Lug Width
14mm
22mm
Material
Titanium
Stainless Steel
Crystal & Dial
4 specsCrystal Shape
Curved
—
AR Coating
Super-clear coating
—
Dial Color
—
—
Lume
LumiBrite on hands and index(es)
None
Movement
4 specsCaliber
Seiko 5X83
Sellita SW261-1
Type
Quartz
Automatic
Power Reserve
0h
41h
Jewels
14
0
Pricing
1 specsMSRP
$2,900
$2,495
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