The Seiko Presage Zen Garden SSA421J, an automatic timepiece featuring an open-heart design and a 24-hour sub dial. Crafted in Japan as part of the Presage series, this model showcases a multi-textured blue dial adorned with rose gold-tone hands, Roman numeral markers, and a coordinating blue leather strap.The SSA421J is driven by the 4R39 movement, offering a 41-hour power reserve and a daily tolerance of 45 / -25 seconds within a normal temperature range. This movement supports both manual and self-winding functionalities. With a water resistance of 30m (splash-proof), the watch features a pull-out crown and is protected by sapphire glass. The case measures 41.8mm and boasts a transparent case back.The dial of this timepiece is a true standout, deserving admiration upon sight. A contemporary classic, the Zen Garden series is poised to become a cult favourite for Seiko enthusiasts over time.- Caliber No. 4R39- Automatic Movement – with manual winding - 41 Hours Power Reserve- 24 Jewels- 24 Hour Hand- Stop Second Hand Function - 41.8mm Case Size - 12.5mm Case Thickness - Stainless Steel Case- Leather Strap - Three-fold clasp with push button release - Water Resistant