The brushed Mercury finish of the integrated links drapes with a liquid-like smoothness over the wrist, punctuated by narrow bands of Aurum that catch the light in rhythmic intervals. It sits with an incredibly low profile, almost becoming one with the skin—a testament to a design era that prioritized silhouette and fluid movement. Every time the hand shifts, the Late Sun glow of the bezel provides a warm contrast to the crisp, white dial, creating a presence that is both grounded and exceptionally light.

Born from the high-precision workshops of the late 1980s, this Lassale represents the peak of Seiko’s ultra-thin quartz era. Driven by the caliber 2F50, it is a functional relic of a time when the Suwa and Daini factories competed to create the world’s most slender profiles without sacrificing mechanical rigor. The integrated bracelet design, where the case flows seamlessly into the horizontal bar links, reflects the brand’s dedication to a unified, sculptural form. This piece is a masterclass in miniaturization, preserving a specific chapter of Japanese horology where technology was bent to serve the beauty of form.

Technical Summary

Case width: 22 mm
Lug to lug: 26 mm
Lug/Bracelet width: 14 mm
Max wrist size: 17 cm
Case material: Two-tone Stainless Steel
Dial: Stark White with Gold Roman Numerals
Crystal: Sapphire Glass
Movement: Japan Quartz Cal. 2F50
Production era: Circa 1990s
Condition: Excellent vintage condition