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Featuring innovative eyedropper filling systems

Opus 88’s Omar is a bold, oversized fountain pen that makes a statement - both in hand and on the page. The styling is simple yet modern, featuring a combination of beautifully clear and slightly frosted acrylic, accented by contrasting matte black trim. This finish creates a clean, contemporary aesthetic that highlights the ink inside while offering a subtle play of light and texture - crisp, cool, and unmistakably sleek. Beneath its sleek design lies a surprisingly rare filling system: the Japanese-style eyedropper. This high-capacity system requires filling the barrel manually using the included glass eyedropper or a syringe. But what truly sets the Omar apart is its built-in shut-off valve, giving you control over ink flow and preventing leaks during travel. It’s tradition re-engineered for the modern writer.
All orders placed before 3pm Mon-Fri are despatched the same day (except on a bank holiday), even if your order has personalisation. Orders placed after 3pm, at the weekend or on a bank holiday are despatched next working day.
UK: We use a Royal Mail tracked service. Standard delivery is free over £30 (£2.50 charge for orders under £30) and takes 2 to 5 working days, Premium is £3.50 and takes 1 to 2 working days. Next working day is £6.95 and is delivered by 4pm (requires a signature).
International: We deliver worldwide with a standard and express service. Please visit our international website
Please return any unwanted items within 21 days of purchase to be eligible for an exchange/refund. The item must still be in a re-saleable condition and returned with proof of purchase. Items that have been personalised cannot be returned unless they are faulty.
Should you receive a damaged or incorrectly dispatched item, please inform us within 7 days of receipt, so we can advise you on the return of the item. Call 0208 731 8610 or email info@penheaven.co.uk. If a faulty or incorrect item is returned, we will refund your postage up to the cost of 1st class recorded Royal Mail. If you are sending items from abroad, please call us for a delivery quote
Founded in 1988 by Michael Hsu, Opus 88 crafts precision fountain pens that blend form and function
Featuring innovative eyedropper filling systems