October 9, 2026
Seiko / Lukia
Grow Rectangle
HEG001J
A new compact rectangular case joins the regular Lukia Grow lineup.
This entry covers HEG001J / HEG002J / HEG003J. These are regular models, separate from the Liberty Fabric limited editions. International availability has not been confirmed.
HEG001J is ¥63,800; HEG002J and HEG003J are ¥67,100 each, including Japanese tax.
Visit SeikoJapan announcement
Regular collection · no edition limit stated
Seiko announces a Japanese October 9 release; the announcement does not establish Japan-only distribution. Official evidence (Japanese) ↗
Search eBay for HEG001J ↗Reference search, not a seller recommendation. Confirm item location, delivery, import costs, returns, and warranty with the seller.
Announced Sep 1, 2026 · Checked September 17, 2026
THE ESSENTIALS
At a glance.
- Case diameter
- 20.0 mm
- Movement
- Seiko 4N30
- Winding
- Quartz
- Power reserve
- Battery powered
- Water resistance
- 100 m
- Release window
- October 9, 2026
Specifications refer to the model described above. Brand information takes precedence if a review differs.
GO A LITTLE DEEPER
The coverage 01
Read the original reporting and impressions.
Official Japanese announcement of the new regular-production case shapes.
Editorial coverage · Sep 1, 2026