There is a supple, textile-like fluidity to the bracelet that feels remarkably like a second skin of woven Aurum. As the wrist moves, the fine interlocking mesh catches the Late Sun, breaking the light into soft, honeyed gradients that flow seamlessly into the rectangular case. The dial, a quiet field of champagne gold, is sheltered beneath a low-profile crystal, creating a silhouette so slim it feels integrated into the very pulse of the wearer rather than merely resting upon it.

This Seiko 7321-5120 is a physical record of the Suwa factory’s obsession with ultra-thin silhouettes during the mid-1980s. By utilizing the 7321 quartz movement, Seiko was able to achieve a remarkable 5mm thickness without sacrificing the robust reliability for which the era is known. The architectural transition from the 18mm case to the wide 14mm bracelet reflects a design philosophy that favored a continuous, cuff-like appearance. To find this artifact preserved with its original box is a rare encounter with a decade that mastered the art of turning industrial metal into a golden, shimmering tapestry.

Technical Summary

Case width: 18 mm
Lug to lug: 25 mm
Lug/Bracelet width: 14 mm
Max wrist size: 16 cm
Case material: Honey-Gold Tone Plated Steel
Dial: Champagne Silk-Brushed Metallic
Crystal: Hardlex Mineral
Movement: Japan Quartz (Cal. 7321)
Production era: Circa 1980s
Condition: Very Good Condition