Seiko SSB427P1 — WatchNation. ✓ Seiko SSB427P1 Watch. Calibre 8T63 · 1/5-Second · 24-Hour · Motorsport Dashboard Dial · 100m. Sport Chronograph. 100m Water Resistance. Conceptual — Sport Chronograph. Calibre 8T63 provides 1/5-second chronograph precision to 60 minutes, 24-hour indicator, small seconds, date, and quartz accuracy at ±15 seconds per month with a 3-year battery.Hardlex crystal protects the dashboard dial.
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