Japan's World's Smallest Smartwatch 'wena X' Breaks 500 Million Yen in Crowdfunding, Launches Second Campaign Phase

augment AI Inc. (Headquarters: Tokyo, CEO: Teppei Tsushima, hereinafter "augment AI") announces that the crowdfunding project for 'wena X (Cross)', the Japan-developed world's smallest※1 smartwatch, has surpassed 500 million yen in support. To commemorate this achievement, the company has decided to launch the second phase of its crowdfunding campaign.

First Startup to Surpass 500 Million Yen in Support

'wena X' launched its crowdfunding campaign on GREEN FUNDING at 11:00 AM on March 20, 2026. It achieved its funding goal of 10 million yen within 4 minutes and surpassed 100 million yen in support within 40 minutes. Continued strong support from backers enabled the project to surpass 500 million yen in funding within two and a half months—an unprecedented achievement for a startup※2. This marks only the third time in GREEN FUNDING's history that such a milestone has been reached.

Second Crowdfunding Phase Begins June 18

Due to the project's overwhelming success, augment AI has decided to launch a second crowdfunding phase. The second phase will run from June 18, 2026, to August 17, 2026. Rewards for supporters during this period are scheduled to be delivered starting February 2027. Throughout the second phase, the company will continue to evaluate and introduce new rewards, including additional bands.
Note: There are no changes to the rewards or delivery timelines for supporters from the first phase. Please await your delivery.

Development Updates Shared Regularly

Updates on the development of 'wena X' are regularly shared via the project's activity reports on the GREEN FUNDING page and on the official X (formerly Twitter) account. We encourage you to follow the official X account.

・Official X: https://x.com/wena_japan

Crowdfunding Overview

・Campaign Period:

　Phase 1: Until June 17, 2026 (Wed) 23:59
　Phase 2: June 18, 2026 (Thu) – August 17, 2026 (Mon) (planned)

・Platform: GREEN FUNDING

・Project URL: https://greenfunding.jp/lab/projects/9288

※Delivery timelines and available rewards may vary depending on the timing of your support. Early support is recommended.

Exhibition Details

During the crowdfunding period, 'wena X' is available for hands-on trials at the following locations:

・T-SITE Futako Tamagawa, 'T-SITE DENKI+'

・Fukuoka Tenjin T-SITE, GREEN FUNDING Touch & Try Booth

・SHIBUYA TSUTAYA, GREEN FUNDING Touch & Try Booth

・Umeda T-SITE, Promotion Zone: Until July 31 (extended due to popularity)

・Bic Camera Ikebukuro IT Tower

About wena

wena is a unique product that enhances the convenience of smartwatches without compromising the aesthetic of your favorite analog watch. With the 'attachable smartwatch' concept, the latest model 'wena X' features an ultra-low-power proprietary OS (RTOS-based), significantly enhancing sleep and fitness tracking. It supports users 24/7 in both watch and smartband modes.

About augment AI

augment AI is a startup founded by the original development team behind wena, including CEO Teppei Tsushima, who inherited the trademarks and patents from Sony Group Corporation. The company continues to advance the project while preserving wena's original aesthetics and philosophy.

Company Name: augment AI Inc.
CEO: Teppei Tsushima, Representative Director and CEO
Headquarters: Tokyo
Capital: 70,500,000 JPY
Founded: July 18, 2025
URL: https://wena.jp/

※1 Comparison based on publicly available specifications and actual measurements using Archimedes' method, among major manufacturers' smartwatches with 1.0-inch or larger full-color displays (as of March 17, 2026, based on company research)

※2 Survey of crowdfunding project funding amounts by startups established within the last 5 years on domestic platforms (as of June 9, 2026, based on company research)