Side by side
Casio ECB-2300DvsSeiko 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
15 of 29 specs differDiameter
ECB-2300D45.8mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
ECB-2300D—
Astron GPS Solar 2025 Limited Edition—
Water Resistance
ECB-2300D100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
ECB-2300D$280
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsDiameter
45.8mm
43.4mm
Thickness
10.9mm
13.4mm
Lug-to-Lug
50.2mm
49.5mm
Lug Width
—
14mm
Material
Stainless Steel
Titanium
Finish
—
—
Crystal & Dial
5 specsCrystal
Mineral
Sapphire
Crystal Shape
—
Curved
AR Coating
No
Super-clear coating
Dial Color
Blue
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
5X83
Power Reserve
—
0h
Jewels
0
14
Pricing
1 specsMSRP
$280
$2,900
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