The Seiko Prospex novelty wind chime was a limited edition gift made of "Nambu Tekki," a traditional craft from Iwate Prefecture, and was offered to customers who purchased a Prospex watch for over 132,000 yen (tax included) during the "Seiko Watch Salon Novelty Campaign" held in the summer of 2024. It features a silver and sky-blue design with soap bubbles, the Prospex logo, and is known for its beautiful sound. It was available in limited quantities.