Aeternum Diary / AURA ARCA

Turning Everyday Life into an Eternal Treasure.

The debut refill collection from AURA ARCA begins with the "1-Day-per-Page" format. A system organizer is more than just a tool; it is a guide that leads your daily life toward happiness and transforms the act of writing into a moment of pure joy. Within the expansive space of this refill, you can freely and fully record everything from diaries and schedules to fleeting inspirations and sketches.

Whether it is a day of prolific writing or a day of just a single sentence, the 1-Day-per-Page format embraces each day exactly as it is. This generous white space imparts profound meaning to even the smallest records, naturally turning the act of writing into a comforting habit. As the pages accumulate, they eventually become a treasure that shines forever.

Write, Preserve, and Find—All on One Sheet

To enhance usability, the dates are positioned prominently. One glance as you flip through the pages reveals the date, making the starting point of each day clear. Furthermore, the symmetrical layout ensures the date catches your eye immediately, allowing you to reach your target day in the shortest time possible.

A grid space is provided next to the date, expanding the possibilities for the page—from capturing inspirations and memos to listing To-Dos or drawing simple tables. The "circled day-of-the-week" system allows you to start whenever you wish, unburdened by specific years, making it a truly flexible companion that welcomes you at any time.

The timeline is divided into left and right: the left side covers 6:00 to 18:00 (daytime activities), while the right side covers 19:00 to 23:00 (evening hours). This allows for a natural transition between work and private life, or being out and being at home.

This highly flexible refill combines an elegant format with the principles of "easy to find," "ready to write," and "wholehearted acceptance." Designed to let your schedules, emotions, and ideas coexist naturally, the bold dates and intuitive spread structure open the door to the joy of writing, while the grid and timeline record your day in three-dimensional detail.

Dividing the Page with the "Clock Hand" Mark

In the center of the top and bottom, we have discreetly placed small markers that gently divide the left and right sides. These are designed with a "clock hand" motif, echoing the brand's logo and company name. Using these as a guide to draw a light line allows you to split the wide margin into two equal halves—perfect for separating daytime records on the left and evening logs on the right. The right side also excels as a space for supplementary information like To-Dos or contact notes. As the markers are subtle, you can also choose not to draw a line and use the entire page as one large, open canvas.

Date Colors That Shift with the Four Seasons

We want you to sense the seasonal atmosphere even through your refill. With this thought in mind, we change the printing colors every three months to match the four seasons. This color-coding is not mere decoration; by applying these hues to the essential "Month/Day/Day of the Week" section at the top of the spread, you can intuitively sense the season and find pages with greater speed.

The ink density is meticulously balanced for high legibility, while the tones are kept understated to ensure that your handwritten words remain the centerpiece. These are the thoughtful details that provide peace of mind for a refill used every day.

The Pursuit of Perfection in Paper Selection

For "Aeternum Diary," we have also dedicated ourselves to the choice of paper. We have selected "Bagasse FS Sugar 90," a premium uncoated writing paper. It features the natural, soft writing feel unique to high-quality fine papers without coatings. With a substantial weight of approximately 104.7g/m², it offers the sturdiness required for long-term archiving, ensuring your daily records can be layered with confidence. Its exceptional resistance to "bleed-through," even with fountain pens or markers, was a primary reason for its selection.

Bagasse FS is an eco-conscious fine paper that effectively utilizes sugarcane waste (bagasse). This choice reflects a commitment to a circular society by reducing wood pulp consumption and utilizing renewable resources. AURA ARCA values the transition from "luxury materials" to "responsible materials," placing great importance on the philosophy behind the selection of both leather and paper. This is a single sheet of paper that satisfies everything: exquisite writing feel, practicality, long-term preservation, and a sustainable future.

<features>
- Printing colors change every three months to reflect the seasons, enhancing both the aesthetic beauty and the speed of page-finding.
- Features dedicated dividers for all 12 months, allowing for easy organization or carrying individual months as needed.
- Includes Feb 29th and seasonal undated spare pages, providing a "deep-hearted" layout that accommodates every moment.
- Uses "Bagasse FS Sugar 90" (104.7g/m²), an uncoated fine paper offering a soft touch and superior ink resistance for fountain pens.
- Crafted from sugarcane waste, this circular material embodies AURA ARCA’s commitment to responsible and sustainable sourcing.
- Ink density is carefully balanced to ensure high visibility while keeping your handwritten words the center of attention.

■Size
M6，Micro 5