Seiko Mod GMT Batman Black Blue 40mm Equipped with the Seiko NH35 automatic movement and scratch-resistant sapphire crystal, it combines bold style and precision. Its 316L stainless steel case and two-tone black/blue bezel offer a modern and robust design, ideal for tracking two time zones. Diameter: 40 mm Movement: Seiko NH35 automatic Power reserve: 41 hours Crystal: Scratch-resistant sapphire All watches are made by hand. Please allow 3–5 business days (excluding weekends) for assembly before shipping. This timeframe is an estimate and may take slightly longer during busy periods or high order volumes. Disclaimer: VVS Jewelry operates independently and is not affiliated with Omega, Seiko, or any other watch brand. All components and movements are newly sourced from independent specialist suppliers. Important: This is a Seiko mod watch. It is built using an original Seiko movement imported from Japan and high-quality aftermarket parts. We are not affiliated with Seiko. Specs and finish may vary slightly from photos due to hand assembly.