Dandong Shundiao .Shanghai Integrated 4130/4131 .FH Factory Ratio Weight Daytona Fully Assembled .1. Uses 904L stainless steel for the case with internal weight, rejecting thickened and weighted case backs. The case is made of full tungsten steel, and FH promises it won t peel or fade an exclusive on the market. Weight is 144g, closely resembling the original. The case diameter matches the original yellow size at 40MM, with a thickness of 12.2MM. The case bottom is stamped with four precious metal marks that match the original.2. Cost is no object for pairing with original substitute dials and hands, featuring high transparency sapphire glass mirror. The scale is made with a filled coating that does not fade or blur. The dial and hands use Swiss imported luminous filling powder, perfectly matching the icy blue luminous color, ensuring lasting brightness. It comes with a rubber strap containing a memory steel plate. The 904L stainless steel buckle is crafted as a single piece, with internal synchronization technology for the original push pull slider.3. There are two options for the high end version: . 1. The old Daytona model is equipped with the Shanghai JH 4130 integrated movement. 2. The new Daytona model features the Shanghai JH 4131 integrated movement, unlike other factories that use the cheap 4801 movement. Both movements have a power reserve of 72 hours. Both new and old models can be equipped with the Dandong 7750 Shundiao integrated movement.FH Factory focuses on high quality and integrity, catering to those who seek perfection. You are welcome to appreciate our offerings.
