The Seiko SLA055J1 is a high-end mechanical automatic watch, part of the Prospex series, celebrating Seiko's 55th anniversary. Here are the detailed specifications and features: Movement: Caliber: Seiko Caliber 8L35 Type: Mechanical Automatic with manual winding Precision: ±15 to -10 seconds per day Power Reserve: Approximately 50 hours Jewels: 26 Functions: 28,800 vibrations per hour (8 beats per second), stop second hand function Case: Material: Ever-Brilliant Steel Diameter: 42.6mm Thickness: 13.1mm Lug-to-lug: 49.3mm Case Back: Solid Crown: Screw-down, located at 3 o’clock Dial: Color: Blue Markers: Applied indices Hands: Silver-tone, luminous (LumiBrite) Features: Date display, unidirectional rotating bezel Crystal: Material: Dual-curved sapphire crystal Coating: Anti-reflective coating on inner surface Strap: Material: Silicone Clasp: Three-fold clasp with push-button release Distance between lugs: 20mm Water Resistance: Rating: 200 meters (20 ATM) Additional Features: Design: Classic and elegant, suitable for both casual and formal occasions Durability: Built to withstand daily wear and tear LumiBrite: Enhanced visibility in low-light conditions Serial number: Engraved on the case back One-piece structure: Ensures durability and water resistance Limited Edition: Limited to 1,300 pieces Warranty : 3-years International [Important Notes] **FREE Shipping & Insurance: We ship via FedEx or DHL Express with full insurance coverage. **Import Taxes: Not included in the price. Buyers are responsible for any taxes and duties. Kindly check with your local customs office for details. **Shipping Times: Processing time within 1-3 business days. Delivery typically takes 3-10 days depending on the shipping company and customs regulations. **Customs Clearance: Kindly stay updated with your local customs to ensure smooth delivery