Ferrofluid 3D

A shallow metal dish seen from above, holding a pool of glossy black ferrofluid - the magnetic liquid that stands up in spikes when a magnet comes near. At rest it lies smooth and mirror-dark, reflecting a photo studio's lights. The time stands big and white above it.

Every hour, the magnet switches on

As the hour turns, the pool quivers, then sharp spikes grow up out of it in a hexagonal pattern, from the middle outward, with a little overshoot and wobble. They hold, turning slightly, their bright reflections sliding, then melt back into the smooth pool.

Tap for the magnet

Tap the watch face and the magnet switches on at any time.

Rendered in true 3D

The dish and the liquid are ray-traced in perspective: every spike catches the studio's softboxes on its flanks, the front spikes hide the ones behind them, and the dish's rim hides the edge of the pool.

Three dishes

• Brushed steel.
• Gold.
• Black.

Readings on dark panels

Steps, unread notifications and battery on small dark panels round the dish, and the date above the time. Put another app's complication there and it shows that app's icon and value.

Easy on the battery

Nothing moves at rest; the spikes play only on a tap and on the hour. Always-on shows only thin outlines of the digits, dim on black.

Make it yours

• Dish: steel, gold or black.
• Three complications.
• 12- or 24-hour time, as your watch is set.

To customize, touch and hold the watch face, then tap Customize.

Works on watches with Wear OS 6 or later. Made in Watch Face Format: nothing to install on your phone, no permissions, no data collected.

Part of Tempus Arcanum, a collection of watch faces.