Seiko Sports 100, Ref. 7A48-5000, Cal. 7A48, Men’s Chronograph Vintage Watch, 1986

Vintage Seiko Sports 100 Men's Vintage Watch from 1986, quartz chronograph with Cal. 7A48 movement, featuring a refined sunburst silver dial with moonphase display. This collectible timepiece is fully serviced and for sale in excellent condition.

Seiko Sports 100 1986 — First impression - 7A48-5000

The Seiko Sports 100 7A48-5000 from 1986 embodies the Japanese horological mastery of the 1980s, blending quartz chronograph precision with an elegant moonphase complication. Its gold-plated case and integrated bracelet provide a refined yet sporty appearance, making it suitable for both formal and casual wear. As part of Seiko’s innovative quartz chronograph lineup, this model delivers exceptional timekeeping performance and remains highly collectible among enthusiasts.

Seiko Sports 100 - Sunburst Silver Dial

The sunburst silver dial features a subtle radial texture, catching light at different angles to enhance its refined look. Four sub-dials provide chronograph functions and moonphase indication, framed by a fine printed minute track. Gold-tone stick hands and matching markers add warmth and contrast against the cool silver background.

Sports 100 7A48-5000 - Hands

The gold-tone stick hands are slim and precise, providing excellent legibility without overpowering the dial. The chronograph seconds hand extends cleanly to the minute track, ensuring accurate reading during timing operations. Sub-dial hands follow the same gold-tone finish for cohesive design.

Seiko Sports 100 7A48-5000 - Polished Gold-Plated Stainless Steel Case

The 39 mm gold-plated stainless steel case features a polished bezel and integrated lugs for a smooth transition into the bracelet. This construction not only provides visual elegance but also improves wearing comfort. The case design reflects the era’s fascination with slim, integrated chronographs.

Sports 100 7A48-5000 - Crown

Positioned at 8 o’clock, the original fluted gold-tone crown is a signature detail of the 7A48 family. Chronograph pushers are placed at 2 and 4 o’clock, also in gold-tone finish, providing balanced symmetry and functional precision.

Seiko Sports 100 Integrated Bracelet

The original integrated stainless steel bracelet is finished in gold tone with a brushed surface and polished edges. Its tapered profile offers a secure fit while maintaining the streamlined aesthetic of the case. The clasp is discreet and period-correct.

Seiko Caliber 7A48 — Quartz Chronograph with Moonphase

Inside beats Seiko’s Cal. 7A48, the world’s first analog quartz chronograph with a moonphase display. Featuring 15 jewels, a 1/10-second chronograph, and ±15 seconds per month accuracy, this movement is a testament to Seiko’s engineering innovation. Its moonphase complication adds both technical and aesthetic charm.

Heritage of the Seiko Sports 100 in 1980s Japanese Horology

The Seiko Sports 100 series symbolized the brand’s mastery of advanced quartz technology in the 1980s, bringing together durability, water resistance, and elegant styling. The 7A48 models became icons for integrating mechanical-like complications into reliable quartz frameworks, appealing to both collectors and daily wearers.

Seiko Sports 100 — 12-Month Warranty, Worldwide Shipping

This fully serviced Seiko Sports 100 7A48-5000 comes with a 12-month warranty and worldwide shipping. All components are original, ensuring authenticity and long-term value. Explore more Seiko vintage watches from the 1980s with moonphase complications or browse our curated chronograph vintage watch collection for similar historic timepieces.