From the authentic sports watch brand "SEIKO Prospex," three limited edition black models, "The Black Series," are being released to commemorate the 55th anniversary of SEIKO Divers.

Three limited edition black models in the "The Black Series" collection from "SEIKO Prospex," a watch brand offering authentic functions for sports and outdoor activities like diving and trekking, will be released sequentially. This collection commemorates the 55th anniversary of the birth of SEIKO's "Divers Watch," a flagship collection of Prospex. The theme is "Night Diving." Night diving, pursued by divers fascinated by the mysterious world entirely different from the daytime, is a popular activity worldwide for experiencing the new charms of the sea. This collection captures the dramatic and mysterious world hidden in the deep sea at night.

The "Marinemaster Professional The Black Series Limited Edition SBDX033" is an authentic diver's watch with an all-black case accented with red, featuring 300-meter saturation diving water resistance. Water absorbs red light, which has wavelengths close to infrared, while shorter blue and violet wavelengths are less easily absorbed. Consequently, red light becomes less visible as depth increases. By adding a red accent to the second hand, extraneous information beyond the minute hand and indexes—crucial for split-second decisions in the extreme environment of the deep sea where a single moment can be fatal—is minimized, enhancing readability. While the red second hand blends into the deep sea, it serves as a vibrant accent and ensures high visibility on the wrist in everyday use.

The "Diver Scuba The Black Series Limited Edition SBDC095/SBDL065" models express the orange light emitted by a night diver's lamp with their minute hands. In the darkness of the deep sea at night, visibility is ensured by Seiko's proprietary Lumibrite luminous paint, which glows for extended periods. The indexes are also coated with orange Lumibrite, harmonizing with the minute hands. In addition to 200-meter air diving water resistance, they feature a screw-lock crown to prevent accidental operation. These limited watch collections, equipped with authentic functions to ensure diver safety, each have a serial number engraved on the case back. The "Marinemaster Professional The Black Series Limited Edition SBDX033" is limited to 600 pieces worldwide, the "Diver Scuba The Black Series Limited Edition SBDC095" to 7,000 pieces worldwide, and the "Diver Scuba The Black Series Limited Edition SBDL065" to 3,500 pieces worldwide. They will be available sequentially at Seiko Boutiques, Seiko Watch Salons, and Seiko Global Brand Core Shops.