Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsTSAO Baltimore Constellation Chrono-Diver - Mystic Blue

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900
Constellation Chrono-Diver - Mystic Blue
TSAO BaltimoreConstellation Chrono-Diver - Mystic Blue
MSRP $450
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At a glance

15 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition43.4mm
Constellation Chrono-Diver - Mystic Blue41mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Constellation Chrono-Diver - Mystic Blue40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Constellation Chrono-Diver - Mystic Blue200m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
Constellation Chrono-Diver - Mystic Blue$450

Full specifications

Case

7 specs
Category
Chronograph
—
Diameter
43.4mm
41mm
Thickness
13.4mm
12mm
Lug-to-Lug
49.5mm
46mm
Lug Width
14mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Dial Color
Black
—
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
5X83
Seiko VK64
Type
Quartz
Mecaquartz
Jewels
14
25

Pricing

1 specs
MSRP
$2,900
$450
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