Vintage Watch | Seiko Quartz Chronograph 7A28-701LT Speedmaster (Black Dial)

Vintage Seiko 7A28-701LT Speedmaster: Black Dial Quartz Chronograph, Fully Serviced

If you want Seiko’s answer to the classic chronograph look with quartz precision, the Seiko 7A28-701LT “Speedmaster” is the one collectors still chase. This black-dial example pairs hooded lugs and a sharp white-on-black layout with the historic 7A28 movement — the world’s first analog quartz chronograph. We are offering a March 1983 piece in great condition: one of the best 7A28 examples we have ever sourced, fully serviced with a new battery, crystal in perfect shape with no usage marks, case in good shape, and paired with its original bracelet.

Why collectors seek the Seiko 7A28 Speedmaster

Introduced around 1980–83, the Seiko 7A28 proved an analog quartz chronograph could feel serious: all-metal construction, about 15 jewels, and four stepper motors driving the chrono layout. Timing is practical and complete — 1/20-second chronograph, 30-minute register, running seconds, plus the split-second control at 10 o’clock. The 7A28-701LT black dial sits in that same design conversation as the Speedmaster silhouette of its era, with Seiko’s own sporty proportions and hooded-lug case.

This Seiko 7A28-701LT

The dial is a crisp black with contrasting white markers and a clear chronograph stack that reads instantly on the wrist. Case size is 38.5 mm, 41.5 mm lug-to-lug, and 20 mm between the lugs — a wearable sports chronograph footprint with presence without bulk. This example dates to March 1983 and retains the original stainless bracelet with the period Seiko SQ clasp character collectors want.

Seiko 7A28-701LT condition & what you receive

Overall this is in great condition — genuinely one of the best 7A28 pieces we have sourced. The crystal is in perfect shape with no usage marks on the crystal. The stainless case is in good shape and presents cleanly for a 1980s sports chronograph. The movement has been fully serviced with a new battery replacement, and all functions are working perfectly, including the chronograph. The watch comes with its original bracelet.

Specification:

Maker: Seiko

Model: Quartz Chronograph 7A28-701LT Speedmaster (Black Dial)

Era: March 1983

Case / Case Diameter: 38.5 mm · 41.5 mm lug-to-lug · stainless steel, good condition

Lug Width: 20 mm

Dial: Black · white markers · chronograph subdials · strong contrast, clean presentation

Crystal: Perfect shape · no usage marks

Movement: Seiko Quartz 7A28 · fully serviced · new battery · all functions working perfectly

Strap / Accessories: Comes with original bracelet

A standout black-dial Seiko Speedmaster chronograph for collectors who want early analog-quartz history, original bracelet completeness, and a clean, fully sorted example ready to wear.