SPB433J1 Prospex Sea The Black Series Limited Edition Limited edition of 3,500 pieces The Black Series. A concept of “night vision.” The Green Lumibrite Pro shines brightly on the black dial, giving the impression of peering through a night-vision scope. The brightest light for the darkest night.This model features long-lasting bright Green Lumibrite Pro on the hour and seconds hands and the indexes. The lume shines a vivid green wherever you are, even in the darkest places. The black dial keeps reflection to a minimum, ensuring the highest level of legibility. Movement Caliber Number 6R35 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 70 hours Jewels 24 Functions Stop second hand function Date display Case/Band Case Material Stainless steel (hard coating)with ceramic bezel Case Size Thickness:13.4mmDiameter:45.0mmLug-to-lug:52.6mm 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 Other Details Water Resistance 200m / 660ft diver's Magnetic Resistance 4,800 A/m Weight 190.0g Features LIMITED EDITION on the case back Serial number engraved on the case back Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock and extender Screw case back In an actual product, the case back direction might be different from the photograph.