More a piece of fine jewelry than a mere timekeeper, this Seiko Lassale is a masterclass in delicate proportions. It does not demand attention with size, but rather captivates with its ethereal presence. Like a golden thread woven around the wrist, it possesses a quiet sweetness—a vintage treasure that feels as light as a memory and as refined as a whispered promise. It is the perfect companion for those who find beauty in the subtle and the small.

Born from the prestigious era of ultra-thin watchmaking in the 1980s, the Lassale line represented the pinnacle of Seiko’s luxury quartz craftsmanship. By acquiring the Swiss brand Jean Lassale, Seiko merged Japanese precision with a distinct European flair for slim silhouettes. This specific 1E50-5159 model features an incredibly slender profile, standing at a mere 5mm thick. The dial is a work of understated art, often finished in a soft champagne or linen texture that catches the light with every movement of the hand. Paired with its original, intricately designed integrated bracelet, this piece remains a “Super Rare” relic of a time when elegance was measured in millimeters.

Case width: 13 mm
Lug to lug: 18 mm
Lug/Bracelet width: 10 mm
Max wrist size: 17 cm
Case material: Gold-plated Stainless Steel / Base Metal
Dial: Champagne Sunburst / Satin textured with minimalist gold hands
Crystal: High-grade Hardlex
Bracelet/Strap: Original Integrated Jewelry Bracelet
Movement: Japanese 1E50 High-End Quartz
Production era: 1980s
Water resistance: Splash resistant (vintage use only)
Country of origin: Japan (Hattori Seiko)