Seiko Prospex SPB503 Alpinist Turquoise Dial

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Specifications Movement Caliber Number 6R55 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functi ons Stop second hand function Case/Band Case Material Stainless steel (super hard coating) Case Size Thickness:12.7mm Diameter:39.5mm Lug-to-lug:46.4mm Crystal Sapphire crystal with magnifier Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands and index(es) Clasp Three-fold clasp with push button release Distance between lugs 20 Other Details Water Resistance 20 bar Magnetic Resistance 4,800 A/m Weight 147.0g Features Rotating compass bezel Screw-down crown See-through & Screw case back Show more