Be sure to add me to your favorites list! Seiko Prospex Alpinist GMT Mechanical Automatic Men's Watch (SPB379J1) Seiko Prospex Alpinist GMT Mechanical Automatic Men's Watch SPB379J1 Model: SPB379J1 Accuracy -15/+25 seconds per day Calibre 6R54 Automatic Movement with Manual Winding Power Reserve 72 Hours Jewels 24 Stainless steel case (Super Hard Coating) Case Thickness 13.6mm Case Diameter 39.5mm Case Length 46.4mm Lug Width 20mm Black Dial Colour Lumibrite on hands and indexes Three-fold clasp with push button release Calfskin Strap Water Resistance 20 bar Anti-reflective crystal coating on inner surface Curved Sapphire Crystal Screw-down crown, See-through case back Stop seconds hand function, GMT Magnetic Resistance: 4,800 A/m
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