The new Caliber 6R54, which has a power reserve of three full days, powers the new Seiko Prospex Alpinist Mechanical GMT. High legibility The 24-hour display on the bezel and the 24-hour hand with red tip guarantee the legibility of the GMT function. SpecificationsMovement Caliber 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 (dual time display function) Stop second hand function Case/Band Case Material Stainless steel (super hard coating) Case Size Thickness:13.6mm Diameter:39.5mm Lug-to-lug:46.4mm Crystal Curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and index(es) Band Material Cow Steer Clasp Three-fold clasp with push button release Distance between lugs 20mm Other Details Water Resistance 20 bar Magnetic Resistance 4,800 A/m Features Screw-down crown See-through & Screw case back
