TWSBI
Vac 700R
Fountain Pen

Filling System
Vacuum Filler
Condition
Mint / Near Mint
Estimated Value
$85 - $100 USD
Era
Modern Production
Pen Specifications
Pen Type
Fountain Pen
Filling System
Vacuum Filler
Body Material
Acrylic Resin
Trim Material
Rose Gold-Plated
Color / Pattern
Iris / Black Smoke / Pearlescent Swirl
Cap Type
Screw Cap
Clip Design
Simple curved spring clip with rose gold finish
Barrel Shape
Faceted / Diamond-faceted barrel
Nib Details
Nib Material
Steel
Nib Size
Medium
Nib Type
Standard
Nib Condition
Pristine, smooth tines alignment with rose gold coating intact
Dimensions
Size / Dimensions
Approximately 147 mm capped, 131 mm uncapped, 178 mm posted, with a 13.5 mm barrel diameter
Weight Estimate
31 grams, well-balanced when unposted
Heritage & Origin
Era / Period
Modern Production
Country of Origin
Taiwan
Rarity
Uncommon
Condition & Value
Overall Condition
Mint / Near Mint
Filling System Condition
Fully functional vacuum mechanism with reliable ink capacity and shut-off valve
Estimated Value
$85 - $100 USD
Special Features
Rose gold trim and distinctive faceted demonstrator-style acrylic body with a vacuum shut-off valve
Ink Recommendations
Waterman Inspired Blue, Iroshizuku Take-sumi, or any non-staining fountain pen safe ink
Care Recommendations
Flush with clean water periodically, lubricate the piston rod with silicone grease sparingly when needed
Interesting Facts
TWSBI pens are designed to be completely user-disassemblable, and come packaged with a wrench and silicone grease in the box
Overall Assessment
An exceptional value modern vacuum filler offering massive ink capacity, beautiful faceted aesthetics, and reliable daily writing performance