There is a rhythmic, almost organic feel to the way the tri-tone links settle against the pulse. The bracelet mimics the complex layering of a rare shoreline find, alternating between the cool bite of Moonlight and the warm, syrupy glow of Honey. When worn, the case rises from the wrist in a series of sharp, architectural tiers, catching the light in a way that feels intentional and structured. It is a piece that demands a second look, moving with a fluid, jewelry-like grace that blurs the line between a timepiece and a statement of curated personal style.

At its core, this reference belongs to the adventurous design era of late-80s Seiko, specifically the 4N00 caliber series. Developed during a time when the Daini factory was perfecting miniaturized reliability, the 4N00 movement allowed for these highly decorative, non-traditional case shapes. The “Shell” design—with its overlapping petals of silver and gold tones—represents a period where Seiko’s artisans looked toward the natural world to find new, geometric expressions for their high-precision quartz technology. It is a survivor of an era that valued bold, textural storytelling.

Technical Summary

Case width: 18 mm
Lug to lug: 22 mm
Lug/Bracelet width: 10 mm
Max wrist size: 15 cm
Case material: Tri-tone Base Metal & Stainless Steel Back
Dial: Stark White with minimal gold dot indices
Crystal: Mineral Glass
Movement:  Japan Seiko Quartz 4N00
Production era:  Circa 1988 – 1993
Condition: Excellent vintage condition