
◆ Grand Seiko5 min
Seiko Astron GPS Solar Dual-Time Chronograph: A 145th-Anniversary Reset for the World's Most Capable Quartz
Quartz
Seiko marks 145 years with a brand-new in-house calibre 5X63 — GPS-solar with perpetual calendar, true dual-time and a 1/20-second chronograph — packaged in a 1-mm-slimmer titanium case with a long-overdue push-button quick-release bracelet. Four references, EUR 2,700–3,000.
May 14, 2026