We are selling these at a low price because we purchased a large quantity. Direct sale from the craftsman. This necklace is 1.3mm wide. We also have 1.1mm width available. Brand new, unused. Total length: Approximately 45cm Chain width: Approximately 1.3mm Weight: Approximately 1.68g Plate width: 3.1mm Platinum 850 Pt850 hallmark present This is genuine platinum, not plated. Purchased from a chain shop in Okachimachi. Made in Japan, produced in a domestic factory. The screw chain, as the name suggests, has a spiral design. It's like a spiral staircase in appearance. The opening of the round clasp, which is the most easily broken part, is also welded for peace of mind. We also have 40cm and 50cm lengths available. We can also accommodate other lengths, please inquire. Accessories Rings k10 18K pt diamond 18k gold ring 18k gold necklace 18k gold pendant 18k gold bracelet K18 Platinum necklace Platinum chain