Seiko Tank 6532 5240 Quartz Watch

Vintage Seiko Tank Dress Vintage Watch from 1985, quartz analog Cal. 6532 with a grey pinstripe dial and gold accents; fully serviced with full-length signed bracelet B1366 and factory crown, for sale with a 12-month warranty.

Seiko Tank 1985 — First impression - 6532-5240

The reference 6532-5240 captures the lean, architectural spirit of mid-1980s Japanese design in a compact rectangular form. A crisp, vertically brushed steel surface frames a grey dial animated by fine golden pinstripes and a gilt inner bezel. The minimalist hour layout is punctuated by a Roman XII, slim printed indices and a discreet date aperture at six. Proportions are intentionally refined: 26 mm across and 33 mm lug-to-lug, delivering a dressy stance that wears elegantly on a wide range of wrists. The two-tone aesthetic—cool steel against warm gilt details—adds visual depth without excess. Paired with Seiko’s integrated bracelet, the watch presents a streamlined silhouette that slips neatly under a cuff and complements both tailored and casual attire.

Seiko Tank - Grey Pinstripe Dial

The dial features tight horizontal pinstripes in gold over a matte grey base, giving subtle texture and excellent light play. An applied Roman XII anchors the layout; the remaining hours combine small gilt batons with fine printed markers for precise reading. Central branding reads “SEIKO / QUARTZ,” while small dial codes at six confirm period-correct production. The framed date at 6 o’clock preserves symmetry and makes the display intuitive at a glance.

Tank 6532-5240 - Hands

Faceted dauphine hour and minute hands in a gold tone provide crisp contrast, complemented by a slim central seconds hand. Their geometry mirrors the rectangular case architecture, ensuring accurate legibility without visual clutter—classic late-modern Seiko minimalism.

Seiko Tank 6532-5240 - Slim Two-Tone Stainless Steel Case

The stainless-steel case is sharply defined with linear brushing on the front and polished bevels along the edges for a clean transition. A narrow gilt inner frame encircles the dial to emphasize the two-tone theme. The flat, brushed snap-back is engraved “SEIKO / STAINLESS STEEL / 6532-5240 R0 / JAPAN” with the serial beneath, matching the period and model family.

Tank 6532-5240 - Crown

A finely fluted crown in matching gilt tone offers positive operation. It retains the factory profile and engages securely for time and date setting, underscoring the piece’s honest, coherent presentation.

Seiko Tank 1985 — Movement: Quartz Cal. 6532 (Japanese horology heritage)

Powering the watch is Seiko’s Caliber 6532, an analog quartz engine from the brand’s mature era of precision timekeeping. Beating at 32,768 Hz, it delivers stable accuracy with low consumption and a practical quickset date. The step motor halts when the crown is pulled for precise setting. This family is prized for reliability and easy servicing, making it a smart choice for collectors who want a historically relevant Seiko quartz with everyday dependability. The watch has been recently serviced, ensuring clean contacts, fresh lubrication where applicable and correct calendar alignment.

Seiko Tank 1985 — Heritage of the Seiko Tank in 1980s Design

During the 1980s, Seiko explored ultra-slim rectangular forms that paired crisp industrial finishing with restrained dials. The 6532-series reflects that approach: elegant, accurate and designed to integrate case and bracelet into a single flowing line. The pinstripe motif and gilt accents reference contemporary graphic design, while the pragmatic calendar and high-precision circuitry embody the brand’s leadership in Japanese horology heritage. This example encapsulates the decade’s blend of clarity and innovation—quietly distinctive, wearable daily, and representative of Seiko’s design confidence at the height of the quartz era.

Seiko Tank 1985 — Dimensions & Wearing Experience

At 26 mm across and 33 mm lug-to-lug, the profile is deliberately refined, sitting low and balanced on the wrist. The integrated stainless-steel bracelet (reference B1366) continues the horizontal brushing of the case, creating a seamless visual sweep. Taper and articulation provide comfort for extended wear, while the clasp carries Seiko’s signature. With a 17 mm effective width at the lugs, strap options are possible via dedicated adapters, though the original bracelet best preserves the model’s streamlined character.

Seiko Tank 1985 — Condition, Originality & Warranty, Shipping worldwide

The watch is used and well preserved: honest light wear to the steel surfaces, clean dial and crisp printing. Caseback engravings are clear; the factory crown remains present. The bracelet is full length and signed, aligning with the model’s specification. The movement is fully operational following recent service. Supplied with a 12-month warranty and worldwide shipping. To compare period siblings, explore Seiko vintage watches from the 1980s including Ref. 6532-5240; for related pieces by function, browse quartz analog vintage timepieces like this 6532 series model.