SEIKO Oshi no Ko Collaboration Watch – Ruby Pre-order
Release date: Scheduled for January 2026
⌚ Product Description
This official collaboration watch unites the globally popular series Oshi no Ko with the craftsmanship of Japanese watchmaker SEIKO.
Equipped with a reliable quartz movement, this watch is designed for everyday wear. The stainless steel case, curved Hardlex crystal, and comfortable leather strap provide durability and practicality while maintaining a character-inspired aesthetic.
This model offers fans a wearable way to keep their favorite character close.
Key Features
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Official SEIKO × Oshi no Ko collaboration
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Character-focused design: Ruby
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Quartz movement with stable accuracy
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Stainless steel case with curved Hardlex crystal
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Leather strap suitable for daily wear
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Made in Japan
⚙️ Watch Specifications
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Movement: Quartz (average monthly deviation ±15 seconds)
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Water Resistance: Enhanced daily water resistance (10 ATM)
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Case / Case Back: Stainless steel
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Crystal: Curved Hardlex
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Band: Genuine leather (synthetic leather lining)
📏 Size Information
Watch Size (cm)
| Measurement | Size |
|---|---|
| Case Height | approx. 4.7 cm |
| Case Width | approx. 3.98 cm |
| Case Thickness | approx. 1.28 cm |
| Wrist Size | approx. 13.5–18 cm |
Watch Size (inch)
| Measurement | Size |
|---|---|
| Case Height | approx. 1.85 in |
| Case Width | approx. 1.57 in |
| Case Thickness | approx. 0.50 in |
| Wrist Size | approx. 5.31–7.09 in |
🧵 Materials
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Case / Case Back: Stainless steel
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Crystal: Hardlex
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Band: Leather
🔢 Product Details
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Series: Oshi no Ko
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Brand: SEIKO
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JAN Code: 4571528402417
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Country of Origin: Japan