Seiko X LightUp Exclusive Original Automatic "Riki Watanabe" Homage Limited Edition Navy Deep Blue
Product No.: 644-413-01-01
Seiko x LightUp Riki Watanabe Homage – Where Timeless Design Meets Japanese Soul
Celebrating the Quiet Brilliance of Japanese Modernism
A true rarity among Seiko’s Japan Domestic Market (JDM) offerings, this exclusive collaboration with LightUp honors the design legacy of Riki Watanabe, one of Japan’s most celebrated industrial visionaries. Known for his elegant restraint and human-centric design, Watanabe’s philosophy lives on in this quietly stunning timepiece.
Minimalist Harmony, Distinctly Japanese
The softly contoured case silhouette mirrors Watanabe’s understated style, while the use of the refined *Didoni* typeface creates a subtle vintage accent across the large Arabic numerals. The dial and strap wear the deep “koi-ai” indigo—a timeless tone in Japanese aesthetics—delivering a clean yet rich visual texture that works from boardroom to backstreet.
Engineered for the Introspective Collector
Inside beats the reliable Seiko Caliber 4R35, offering smooth mechanical motion and a tactile winding experience. Every detail—from the domed Hardlex crystal to the classic analog layout—invites the wearer to slow down and appreciate the passage of time, Watanabe-style.
A Hidden Chapter in Seiko’s Design Story
Quiet, rare, and only available through select channels like WatchOutz.com, this piece is as much a tribute as it is a talking point. A discreet treasure for those who know their JDM codes by heart and appreciate the soul beneath the surface.
644-413-01-01 Specification:
Movement
Caliber: 4R35
Movement Type: Automatic with manual winding capacity
Power: 41 hours of operation when fully wound
Accuracy: +45 to -35 seconds per day
Jewel: 23
Exterior
Case Material: Stainless steel
Case Size: Diameter 40mm; Thickness 11.3mm
Strap size: 14-19.5cm (three-fold push type)
Crystal: Hardlex
Band Material: Cowhide
Other Details
Water Resistance: 10bar
Date display
* Kindly note that the displayed image is either a graphic representation or a prototype and may not reflect the final product precisely. Color variations may occur due to differences in browsers, display settings, or devices used for viewing. Additionally, the orientation of the case back in the actual product may differ from what is shown in the photograph.
