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Seiko The Inkwell Night

The watch wraps around the wrist with the authoritative, sculptural grip of a Honey-toned bangle, its polished Aurum surfaces catching the ambient light in deep, rolling glints.

Case: 18 mm
Lug to Lug: 22 mm
Bracelet: 12 mm
Max Wrist: 16,5 cm

Excellent Vintage Condition · Circa 1988

Will it fit? How to measure your wrist

Wrap a strip of paper or a soft tape snugly around your wrist, just below the wrist bone. Mark where it overlaps, then measure that length in centimetres.

If your wrist is the same as or smaller than the Max Wrist size above, it should fit. A watchmaker can usually shorten a vintage bracelet, but extra links are rarely available.

Not sure? Send us your wrist size on WhatsApp.

What our condition grades mean

Excellent: Minimal signs of wear, visible only on close inspection.
Very Good: Light surface wear consistent with age, such as fine hairline scratches. Nothing that affects wear or function.
Good: Visible signs of age, such as scratches or patina, all shown in the photos. Fully functional.

Every watch is checked for function and timekeeping before it is listed, and the photos show the actual piece.

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SpecificationsThe Details

Brand	Seiko
Case width	18 mm
Lug to lug	22 mm
Lug/Bracelet width	12 mm
Max wrist size	16,5 cm
Case material	Gold-Plated Base Metal (SGP)
Dial	Deep Inky Obsidian
Crystal	Hardlex Mineral
Movement	Japan Suwa 7731 Quartz
Production era	Circa 1988
Condition	Excellent Vintage Condition

The StoryAbout This Piece

The watch wraps around the wrist with the authoritative, sculptural grip of a Honey-toned bangle, its polished Aurum surfaces catching the ambient light in deep, rolling glints. Against the skin, the metal feels smooth and substantial, while the deep Obsidian dial acts as a light-absorbing focal point. It is a piece that prioritizes presence and silhouette, turning the simple act of checking the hour into a tactile, sensory experience that feels both modern and deeply rooted in personal style.

Born from the Suwa factory lineage of high-precision quartz, this Seiko utilizes the refined 7731 movement—a caliber specifically engineered to allow for extreme miniaturization in high-tier boutique timepieces. Produced during the late 1980s, the design is defined by its distinctive square tank case and integrated “link-effect” bangle bracelet, representing a specific era where Japanese horology was indistinguishable from fine jewelry. Preserved in its original velvet-lined sanctuary, this piece serves as a preserved testament to a time when horology was curated as a bold, structural personal ornament.