New "Aquadeep Submerge Carbon" Released Following Sell-Out of First-Generation Submerge: Authentic Diver's Watch with Carbon Fiber Dial x 300m Water Resistance

Custom watch brand "UNDONE" (UNDONE JAPAN Inc., Headquarters: Shibuya-ku, Tokyo) will release the new diver's watch "Aquadeep Submerge Carbon" on May 1, 2026 (Wednesday).

This model is a successor developed after the sell-out of the first-generation Submerge. In addition to professional specifications with 300m water resistance, it features a carbon fiber dial, achieving both functionality and design. It is a diver's watch suitable for modern lifestyles, adaptable from daily use to marine sports.

Carbon Fiber Dial with Unique Expression The dial adopts carbon fiber material. The unique pattern woven by the fibers changes its expression depending on how the light hits it, and no two patterns are exactly alike. It is finished with a design that has visual individuality and presence, making an impression on the wrist.

Professional Diver's Specifications with 300m Water Resistance Professional diver's specifications with 300m (30ATM) water resistance. Stable use in water is possible due to the screw-down crown and robust case structure. It is suitable for daily use, as well as marine sports and diving.

Lightweight and Highly Durable Titanium Case The case adopts titanium material and is DLC coated, achieving both durability and lightweight properties. Despite a 43mm case size, it is designed to feel less burdensome even with long periods of wear.

High Visibility With yellow accents and three-dimensional indexes, it is possible to read the time instantly. Furthermore, luminous specifications maintain visibility in dark places and underwater.

Equipped with Automatic Movement The movement adopts the NH37 automatic winding. Since it is driven by the movement of the arm, battery replacement is unnecessary, making it easy to use daily.

Customization Function Aquadeep Submerge Carbon is a diver's watch that combines performance, design, and customization. It joins the new lineup as a timepiece active both underwater and in the city.

Aquadeep Submerge Carbon - Black Edition This collection also offers a model with a black strap. By combining a carbon fiber dial with a Black Cordura strap, the overall finish has a sense of unity. It features a calm design that utilizes the texture and depth of each material.

Product Information ・Product Name: Aquadeep Submerge Carbon ・Case: Titanium (DLC coating) ・Case Diameter: 43mm ・Movement: NH37 Automatic winding ・Power Reserve: Approximately 41 hours ・Accuracy: ±20-40 seconds ・Crystal: Sapphire glass (AR coating) ・Water Resistance: 300m / 30ATM ・Strap: FKM rubber ・Warranty: 1 year ・Price: 85,000 yen (including tax)

・Product Name: Aquadeep Submerge Carbon - Black Edition ・Case: Titanium (DLC coating) ・Case Diameter: 43mm ・Movement: NH37 Automatic winding ・Power Reserve: Approximately 41 hours ・Accuracy: ±20-40 seconds ・Crystal: Sapphire glass (AR coating) ・Water Resistance: 300m / 30ATM ・Strap: Black Cordura (22mm) ・Warranty: 1 year ・Price: 85,000 yen (including tax)

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UNDONE is a custom watch brand born in Hong Kong in 2014. The brand name "UNDONE" means "unfinished," but it encapsulates the will that "people can always choose their own time and restart themselves at any moment." With fans worldwide, UNDONE JAPAN Inc. was established in Japan in 2018. In 2024, the brand's 10th anniversary, its headquarters functions were completely transferred to Japan, accelerating further global expansion from Tokyo. We view watches not merely as "tools for telling time" but as "proof that reflects one's way of life." Through customization, from dials to hands, cases, straps, and even engravings, it is designed to allow each individual to express their individuality, and each choice shapes the user's own story. UNDONE, based on the belief that "watches should reflect individuality," will go beyond conventional concepts in the watch industry and propose new value to the world as "a story to wear."

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