Seiko SPB481J1 is a Prospex automatic watch with manual winding made for active daily wear. Key specifications include caliber 6R55 automatic movement, 300m water resistance and sapphire crystal. Why You'll Love It Mechanical character: Caliber 6R55, automatic with manual winding; approximately 72 hours of power reserve. Clear wrist fit: Stainless steel; 41.3mm diameter, 12.5mm thick, 48.2mm lug-to-lug; 179g. Water-ready confidence: 300m diver's water resistance. Seiko specifies 300m diver's water resistance. Useful daily details: Stop-seconds function; Sapphire crystal; anti-reflective coating on inner surface. Specifications Reference SPB481J1 Collection Prospex Movement Automatic with manual winding Caliber 6R55 Display Analog Accuracy +25 to -15 seconds per day Case Stainless steel; 41.3mm diameter, 12.5mm thick, 48.2mm lug-to-lug Band Stainless steel bracelet Weight 179g Water resistance 300m diver's water resistance. Seiko specifies 300m diver's water resistance. Functions Stop-seconds function Power reserve Approximately 72 hours Crystal Sapphire crystal; anti-reflective coating on inner surface LumiBrite LumiBrite on hands, markers and bezel Key construction Unidirectional rotating bezel; Screw-down crown; Screw case back Gender fit Men Frequently Asked QuestionsIs the Seiko SPB481J1 original?Yes. our store sells 100% original watches and has served online shoppers in the Philippines since 2015. What movement powers the Seiko SPB481J1?The Seiko SPB481J1 uses caliber 6R55, an automatic movement with manual winding and approximately 72 hours of power reserve. Can I wear the Seiko SPB481J1 in water?It has 300m diver's water resistance. Seiko specifies 300m diver's water resistance. Always follow Seiko's care guidance before water exposure. How large is the Seiko SPB481J1?The case measures 41.3mm in diameter and 12.5mm thick, with an official weight of 179g. COD nationwide. GCash, debit and credit cards, and online banking are accepted. Delivery after dispatch: Metro Manila 3 to 7 days; rest of the Philippines 4 to 10 days. Part of: Seiko Watches · Seiko Prospex · Seiko Men · Watches ₱10,000 & Above Packaging: supplied in standard Seiko packaging. This applies to all models, including Special and Limited Editions.