Substruct

Horology · Apple Watch + iPhone

Hear the time.

Classic Repeater brings the ritual of a mechanical minute repeater to your wrist with warm, authentic chimes from real timepieces.

Download on theApp Store
Classic Repeater iconClassic Repeater Apple Watch complication

A complication, reimagined

Time, told by sound.

Before luminous dials, minute repeaters made time audible in the dark. Tap once to hear hours, tens of minutes, and individual minutes ring in sequence.

For example

3:25

3

low chimes
the hour

2

ding-dong pairs
twenty minutes

5

high chimes
five minutes

Watch-first

A small ritual for staying oriented.

  • 01
    Authentic sound

    Warm recordings from real pocket watches and mechanical timepieces.

  • 02
    Sound or haptics

    Hear the time aloud or feel a discreet pattern when silence matters.

  • 03
    Optional reminders

    Gentle prompts to pause and notice the time—never a noisy alarm system.

Classic Repeater iconOne chime at a time.

Private by design

Timekeeping without tracking.

Settings stay on your devices. No personal data is collected, transmitted, or stored on Substruct servers. Sound-pack purchases sync through your Apple ID.

Rediscover the hour

Put a mechanical ritual on your wrist.

Download on theApp Store
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