SEIKO 5P31-5C40 Galaxy Quartz 1986 Short Band for Ladies
Reference: 5P31-5C40
Meet the 1986 Seiko Galaxy Tank 5P31-5C40 — where vintage Seiko elegance meets timeless design. With its slim rectangular “Tank” case, textured dial, and reliable quartz 5P31 movement, this piece delivers dress-watch sophistication with character. Powered by a long-life battery and built with Japanese craftsmanship, it offers precision with every tick. Clean lines, subtle texture, and classic length make it versatile — perfect with a blazer or a crisp shirt cuff. If you don’t just want a watch, but one that tells a story, this Galaxy Tank is for you.Add it to your rotation — heritage style, vintage presence, enduring value.
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Brand |
Seiko |
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Model / Ref |
Galaxy Tank Quartz 5P31-5C40 |
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Movement |
Seiko Caliber 5P31 — analog quartz, reliable with “seconds hand only” display. |
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Battery |
Uses Renata 371 / SR920SW battery (or equivalent) with long battery life. |
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Accuracy |
Around ±15 seconds/month typical for this movement. |
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Dial |
Likely textured or patterned dial variants; clean layout with stick hour markers. (Model has several dial finishes in that reference family.) |
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Case / Style |
Tank-style rectangular case, gold or mixed gold/gold plated (depending on your variant) |
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Bracelet/Strap |
Original bracelet or period strap depending on what’s included |
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Crystal |
Likely hardlex or mineral (Seiko period appropriate) |
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Year |
Circa mid-1980s (1986) — vintage piece |
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Water Resistance |
Vintage standard “water resistant” marking only; not for heavy water usage |