Seiko-Prospex Sea SPB383 Hoops Stainless steel case and bracelet

Stainless steel case and bracelet

Choose from four models: the GWB5600 with Bluetooth® connectivity plus radio control

Power reserve : 60-hour power reserve

Powered by the El Primero 3620 high-frequency automatic manufacture movement with the very first 1/10th of a second indicator

Seiko-Prospex Sea SPB383 Hoops Stainless steel case and braceletCaliber Number 6R54 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functions 24 hour hand Stop second hand function Case Band Case Material Stainless steel (super hard coating) Case Size Thickness: 12. 9mm Diameter: 42. 0mm Lug to lug: 48. 6mm Crystal Sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and