Side by side
Henry Archer KvantumvsSeiko Astron GPS Solar 2026 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Kvantum41mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Kvantum40h
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Kvantum50m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Kvantum$2,199
Astron GPS Solar 2026 Limited Edition$2,400
Full specifications
Case
6 specsCategory
Chronograph
GMT
Diameter
41mm
41.2mm
Lug-to-Lug
48mm
48.6mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
100m
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
Tan
Black
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Seiko VK64
3X62
Jewels
25
10
Pricing
1 specsMSRP
$2,199
$2,400
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