Side by side
Alexander Shorokhoff Big Date ChronovsSeiko 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
Big Date Chrono43.5mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Big Date Chrono42h
Astron GPS Solar 2025 Limited Edition—
Water Resistance
Big Date Chrono100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Big Date Chrono$3,025
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
43.5mm
43.4mm
Thickness
14.4mm
13.4mm
Lug-to-Lug
22mm
49.5mm
Lug Width
22mm
14mm
Material
—
Titanium
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Super-clear coating
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Alexander Shorokhoff DD4500
Seiko 5X83
Type
Automatic
Quartz
Power Reserve
42h
0h
Jewels
0
14
Pricing
1 specsMSRP
$3,025
$2,900
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