The name “BISO” combines the Japanese characters for 美 (“beauty”) and 奏 (“harmony”), reflecting the brand’s vision of inspiring graceful self-expression and clarity of mind. Lighter and slimmer than the signature #3776 Century model, it rests comfortably in the hand and features a pearlescent resin body that reveals subtle shifts in color with every change of light.
Finished with a gold-plated stainless steel nib, the BISO delivers smooth, consistent ink flow for a refined writing experience. Perfect for journaling, letter writing, or personal reflection, this well-balanced pen transitions seamlessly from daily use to life’s most special moments.
- Purple - Limited to 1,500 pieces
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Also available in Sparkle Mint Green, Nebula Black, and Flame Red
- Length: 5.43 in (13.8 cm)
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Gold-plated stainless steel nib
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Resin barrel, grip, and cap
- Metal cap top, barrel end, cap ring, protective ring, and clip
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PTL-15000
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Cartridge/Converter
- Blue black ink cartridge included
- More colors available
- Replacement ink cartridges available: SPC-200 and SPN-100A
- Compatible with Platinum converter