Prospex SPB381J1 Baby Marinemaster GMT Green Dial

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 Material: Stainless steel (Bezel: Stainless steel with ceramic display) 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 bezel Clasp: Three-fold clasp with secure lock , push button release with extender Distance between lugs: 20 Water Resistance: 200m / 660ft diver's Magnetic Resistance: 4,800 A/m Weight: 176.0g Features: - Unidirectional rotating bezel - Screw-down crown - Three-fold clasp with secure lock - Screw case back