- Highly recommended S Factory Seamaster 300m diving watch, exclusive quality across the internet. The movement features a brand new Japanese original imported Citizen fully automatic mechanical movement, achieving true zero repairs, precise t.mes
keeping, and 100% practicality with complete waterproofing. The glass is made of high-definition double-sided sapphire crystal. The ceramic bezel uses imported ceramic, complemented by a blue sapphire moon pearl at the 12 o'clock position (aesthetic/high-end). The hands are coated with Super-LumiNova, featuring blue and green luminescence, with the minute hand displaying green luminescence, and the bezel's green luminescent dot used for diving oxygen countdown. The dial corresponds to the boutique Seamaster 300 ceramic finish, visually outperforming ordinary oil pressure models. The case is made of 316L stainless steel and features the only original ceramic unidirectional rotating timing bezel in its class. The case side pressure relief valve is consistent with the original. Case diameter is 42/11mm, with official perfect dimensions. Please recognize the bottom cover ear position code: 89238899.