Mechanical GMTMovement 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 leather Clasp: Three-fold clasp with push button release Distance between lugs: 20 Other Details Water Resistance: 20 bar Magnetic Resistance: 4,800 A/m Features: Rotating compass inner ring, Screw-down crown, See-through & Screw case back
