August 16, 2026Published by on August 16, 2026Categories Vintage Seiko 5S21-8A19 Pulsometer Watch – Perfect Smooth Sweep, New Old StockIf you love Spring Drive, this watch has a smoothness to match at a fraction of the price See included video! 41 mm lug-to-lug. Battery Changed on 25 June 2026. 18 mm lug width.
