Side by side
Sheffield SCR CHRONO SWvsSeiko 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
14 of 29 specs differDiameter
SCR CHRONO SW42mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
SCR CHRONO SW63h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
SCR CHRONO SW100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
SCR CHRONO SW—
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
5 specsDiameter
42mm
43.4mm
Thickness
14.65mm
13.4mm
Lug-to-Lug
46.5mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW510
5X83
Type
Automatic
Quartz
Power Reserve
63h
40h
Jewels
25
14
Pricing
1 specsMSRP
—
$2,900
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