Bathyal is a clepsydra — an ancient water clock — rebuilt for the deep sea.
In the bathyal zone there is no day or night. No sunrise, no shadow, nothing to set a clock by. The only light is made by living things. Bathyal is the instrument that keeps time down there: a face of glowing concentric channels where every drop is a second, and time is material.
Watch it work:
• Each second forms as a drop at the heartbeat and joins the ring
• A full ring of seconds distills into one minute — and pours, visibly, down into the next channel
• Minutes pour into hours, hours into the day's two halves, days into months — at midnight the whole cascade runs at once
• Once a year, the last drop of December sinks past the digits into the abyss, unmeasured
Make it yours:
• Solid bands or beaded drops, sweeping or pulsing motion
• 24-hour or 12-hour time — 12-hour splits the hours at the meridian into a morning ring and an afternoon ring
• Calendar rings for the month and year, or a Monday-first week ring whose weeks are spent, not kept
• Run the midnight cascade demo any time from the settings
On your wrist:
• A full-screen water clock for Apple Watch — seconds, minutes, and hours in the same adjacent channels
• Add Bathyal as a complication; the live rings sit on any face and rewrite themselves as the day moves. No two times look the same — that is the instrument, not a hand on a circle
• Hold the Watch face for settings. Pulse or sweep, 12- or 24-hour time, and an optional Monday-first weekday ring. Hours, motion, and the week calendar also travel from the gear on iPhone
On the Lock Screen:
• Add Bathyal as a Lock Screen widget — live rings, a different pattern for every minute, the same figure as the Watch complication
• Hours, motion, and the weekday ring follow from the gear
Quiet by design:
• Completely free, no accounts, no ads, no tracking — it never connects to anything
• Works fully offline
• Keeps the screen awake on a desk or bedside table
If the instrument keeps good time for you, you can send a drop — a small tip — and the face answers with the benefactor tinctures: other colors of bioluminescence, and a single grain of sand set on the seabed of the dial.
Drops become months.
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