diff --git a/frontend/src/assets/main.css b/frontend/src/assets/main.css
index 68fd2ea..7ef877a 100644
--- a/frontend/src/assets/main.css
+++ b/frontend/src/assets/main.css
@@ -921,9 +921,22 @@ button {
 .clock-digits {
   margin: 70px 0 54px;
   font-variant-numeric: tabular-nums;
-  font-size: 58px;
+  font-size: min(52px, 14cqw);
   font-weight: 200;
 }
+.clock-sound-menu {
+  margin-top: 8px;
+}
+.clock-sound-selection {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  color: #8e8e93;
+}
+.clock-sound-selection svg {
+  width: 17px;
+  height: 17px;
+}
 .clock-actions {
   display: flex;
   justify-content: space-between;
diff --git a/frontend/src/components/AlarmEditor.vue b/frontend/src/components/AlarmEditor.vue
index 2467f90..3c95e3a 100644
--- a/frontend/src/components/AlarmEditor.vue
+++ b/frontend/src/components/AlarmEditor.vue
@@ -9,13 +9,13 @@ import {
   kListItem,
   kNavbar,
 } from 'konsta/vue'
-import { Check, X } from 'lucide-vue-next'
-import { reactive } from 'vue'
+import { ChevronRight, Check, X } from 'lucide-vue-next'
+import { reactive, ref } from 'vue'
 
+import AlarmSoundMenu from '@/components/AlarmSoundMenu.vue'
 import { usePhoneStore } from '@/stores/phone'
 import TimeWheelPicker from '@/components/TimeWheelPicker.vue'
 import {
-  ALARM_SOUND_IDS,
   type Alarm,
   type AlarmDraft,
   WEEKDAY_IDS,
@@ -28,6 +28,7 @@ const emit = defineEmits<{
   save: [draft: AlarmDraft]
 }>()
 const phone = usePhoneStore()
+const soundMenuOpen = ref(false)
 const weekdayKeys = [
   'sunday',
   'monday',
@@ -72,7 +73,15 @@ function toggleWeekday(weekday: number): void {
 </script>
 
 <template>
-  <k-navbar :title="phone.t('Apps.clock.tabs.alarm')">
+  <AlarmSoundMenu
+    v-if="soundMenuOpen"
+    :back-label="phone.t('Apps.clock.tabs.alarm')"
+    :selected-sound="draft.sound"
+    @close="soundMenuOpen = false"
+    @select="draft.sound = $event"
+  />
+
+  <k-navbar v-show="!soundMenuOpen" :title="phone.t('Apps.clock.tabs.alarm')">
     <template #left>
       <k-link
         component="button"
@@ -98,7 +107,11 @@ function toggleWeekday(weekday: number): void {
     </template>
   </k-navbar>
 
-  <k-block component="section" class="clock-alarm-editor">
+  <k-block
+    v-show="!soundMenuOpen"
+    component="section"
+    class="clock-alarm-editor"
+  >
     <TimeWheelPicker
       v-model="draft.time"
       :hours-label="phone.t('Apps.clock.alarm.hours')"
@@ -135,18 +148,18 @@ function toggleWeekday(weekday: number): void {
       />
     </k-list>
 
-    <k-block-title>{{ phone.t('Apps.clock.alarm.sound') }}</k-block-title>
     <k-list strong inset>
       <k-list-item
-        v-for="sound in ALARM_SOUND_IDS"
-        :key="sound"
         link
         :chevron="false"
-        :title="phone.t(`Apps.clock.alarm.sounds.${sound}`)"
-        @click="draft.sound = sound"
+        :title="phone.t('Apps.clock.alarm.sound')"
+        @click="soundMenuOpen = true"
       >
         <template #after>
-          <Check v-if="draft.sound === sound" class="w-5 h-5 text-primary" />
+          <span class="clock-sound-selection">
+            {{ phone.t(`Apps.clock.alarm.sounds.${draft.sound}`) }}
+            <ChevronRight aria-hidden="true" />
+          </span>
         </template>
       </k-list-item>
     </k-list>
diff --git a/frontend/src/components/AlarmSoundMenu.vue b/frontend/src/components/AlarmSoundMenu.vue
new file mode 100644
index 0000000..36143fe
--- /dev/null
+++ b/frontend/src/components/AlarmSoundMenu.vue
@@ -0,0 +1,61 @@
+<script setup lang="ts">
+import { kList, kListItem, kNavbar, kNavbarBackLink } from 'konsta/vue'
+import { Check } from 'lucide-vue-next'
+import { onBeforeUnmount } from 'vue'
+
+import { usePhoneStore } from '@/stores/phone'
+import { ALARM_SOUND_IDS, type AlarmSoundId } from '@/utils/alarms'
+import { playPhoneTone } from '@/utils/tones'
+
+defineProps<{ backLabel: string; selectedSound: AlarmSoundId }>()
+const emit = defineEmits<{
+  close: []
+  select: [sound: AlarmSoundId]
+}>()
+const phone = usePhoneStore()
+let stopPreview: (() => void) | undefined
+let previewTimer: ReturnType<typeof setTimeout> | undefined
+
+function stopSoundPreview(): void {
+  if (previewTimer) clearTimeout(previewTimer)
+  previewTimer = undefined
+  stopPreview?.()
+  stopPreview = undefined
+}
+
+function selectSound(sound: AlarmSoundId): void {
+  stopSoundPreview()
+  emit('select', sound)
+  stopPreview = playPhoneTone(
+    sound,
+    phone.preferences.settings.ringtoneVolume,
+    false,
+  )
+  previewTimer = setTimeout(stopSoundPreview, 1800)
+}
+
+onBeforeUnmount(stopSoundPreview)
+</script>
+
+<template>
+  <k-navbar :title="phone.t('Apps.clock.alarm.sound')">
+    <template #left>
+      <k-navbar-back-link :text="backLabel" @click="emit('close')" />
+    </template>
+  </k-navbar>
+
+  <k-list strong inset class="clock-sound-menu">
+    <k-list-item
+      v-for="sound in ALARM_SOUND_IDS"
+      :key="sound"
+      link
+      :chevron="false"
+      :title="phone.t(`Apps.clock.alarm.sounds.${sound}`)"
+      @click="selectSound(sound)"
+    >
+      <template #after>
+        <Check v-if="selectedSound === sound" class="h-5 w-5 text-primary" />
+      </template>
+    </k-list-item>
+  </k-list>
+</template>
diff --git a/frontend/src/stores/phone.ts b/frontend/src/stores/phone.ts
index fd6c5df..64104f2 100644
--- a/frontend/src/stores/phone.ts
+++ b/frontend/src/stores/phone.ts
@@ -82,7 +82,7 @@ const defaultLocales: LocaleTree = {
       add: 'Add alarm',
       location: 'Los Santos',
       tabs: {
-        world: 'World Clock',
+        world: 'Clock',
         alarm: 'Alarm',
         stopwatch: 'Stopwatch',
         timer: 'Timer',
diff --git a/frontend/src/utils/clock.test.ts b/frontend/src/utils/clock.test.ts
index 3196c5e..7439f32 100644
--- a/frontend/src/utils/clock.test.ts
+++ b/frontend/src/utils/clock.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, it } from 'vitest'
 import {
   elapsedMilliseconds,
+  formatStopwatch,
   formatTimer,
   remainingMilliseconds,
   timerPickerMilliseconds,
@@ -18,4 +19,8 @@ describe('timestamp clocks', () => {
     expect(timerPickerValue(3_661_000)).toBe('01:01:01')
     expect(timerPickerMilliseconds('01:01:01')).toBe(3_661_000)
   })
+
+  it('formats stopwatch durations with actual milliseconds', () => {
+    expect(formatStopwatch(61_234)).toBe('01:01.234')
+  })
 })
diff --git a/frontend/src/utils/clock.ts b/frontend/src/utils/clock.ts
index 1d8d697..831316a 100644
--- a/frontend/src/utils/clock.ts
+++ b/frontend/src/utils/clock.ts
@@ -18,11 +18,11 @@ export function remainingMilliseconds(
 }
 
 export function formatStopwatch(milliseconds: number): string {
-  const totalCentiseconds = Math.floor(milliseconds / 10)
-  const minutes = Math.floor(totalCentiseconds / 6000)
-  const seconds = Math.floor((totalCentiseconds % 6000) / 100)
-  const centiseconds = totalCentiseconds % 100
-  return `${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}.${String(centiseconds).padStart(2, '0')}`
+  const totalMilliseconds = Math.floor(milliseconds)
+  const minutes = Math.floor(totalMilliseconds / 60_000)
+  const seconds = Math.floor((totalMilliseconds % 60_000) / 1000)
+  const millisecondsPart = totalMilliseconds % 1000
+  return `${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}.${String(millisecondsPart).padStart(3, '0')}`
 }
 
 export function formatTimer(milliseconds: number): string {
diff --git a/frontend/src/views/apps/ClockApp.vue b/frontend/src/views/apps/ClockApp.vue
index b2a3d9c..2af3817 100644
--- a/frontend/src/views/apps/ClockApp.vue
+++ b/frontend/src/views/apps/ClockApp.vue
@@ -1,7 +1,6 @@
 <script setup lang="ts">
 import {
   kBlock,
-  kBlockTitle,
   kButton,
   kLink,
   kList,
@@ -15,20 +14,21 @@ import {
 } from 'konsta/vue'
 import {
   AlarmClock,
-  Check,
+  ChevronRight,
   Clock3,
   Minus,
   Plus,
   Timer,
   TimerReset,
 } from 'lucide-vue-next'
-import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
+import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue'
 
 import AlarmEditor from '@/components/AlarmEditor.vue'
+import AlarmSoundMenu from '@/components/AlarmSoundMenu.vue'
 import TimeWheelPicker from '@/components/TimeWheelPicker.vue'
 import { useClockStore } from '@/stores/clock'
 import { usePhoneStore } from '@/stores/phone'
-import { ALARM_SOUND_IDS, type Alarm, type AlarmDraft } from '@/utils/alarms'
+import { type Alarm, type AlarmDraft } from '@/utils/alarms'
 import {
   elapsedMilliseconds,
   formatStopwatch,
@@ -44,10 +44,12 @@ const tab = ref<'world' | 'alarm' | 'stopwatch' | 'timer'>('world')
 const alarmEditor = ref<
   { mode: 'create' } | { id: string; mode: 'edit' } | null
 >(null)
+const timerSoundMenuOpen = ref(false)
 const alarmsEditing = ref(false)
 const now = ref(Date.now())
 const browserTimeZone = Intl.DateTimeFormat().resolvedOptions().timeZone
 let ticker: ReturnType<typeof setInterval> | undefined
+let stopwatchFrame: number | undefined
 
 const stopwatchValue = computed(() =>
   elapsedMilliseconds(
@@ -180,19 +182,47 @@ function selectTab(nextTab: (typeof tabs)[number]['id']): void {
 function setTimerNote(event: Event): void {
   clock.setTimerNote((event.target as HTMLInputElement).value.slice(0, 80))
 }
+
+function updateStopwatchFrame(): void {
+  now.value = Date.now()
+  stopwatchFrame = requestAnimationFrame(updateStopwatchFrame)
+}
+
+watch(
+  [() => clock.stopwatchStartedAt, tab],
+  ([startedAt, activeTab]) => {
+    if (stopwatchFrame !== undefined) cancelAnimationFrame(stopwatchFrame)
+    stopwatchFrame =
+      startedAt === null || activeTab !== 'stopwatch'
+        ? undefined
+        : requestAnimationFrame(updateStopwatchFrame)
+  },
+)
+
 onMounted(() => {
   ticker = setInterval(() => {
     now.value = Date.now()
   }, 250)
 })
 
-onBeforeUnmount(() => clearInterval(ticker))
+onBeforeUnmount(() => {
+  clearInterval(ticker)
+  if (stopwatchFrame !== undefined) cancelAnimationFrame(stopwatchFrame)
+})
 </script>
 
 <template>
   <k-page component="main" class="native-app clock-app">
+    <AlarmSoundMenu
+      v-if="timerSoundMenuOpen"
+      :back-label="phone.t('Apps.clock.tabs.timer')"
+      :selected-sound="clock.timerSound"
+      @close="timerSoundMenuOpen = false"
+      @select="clock.setTimerSound($event)"
+    />
+
     <AlarmEditor
-      v-if="alarmEditor"
+      v-else-if="alarmEditor"
       :alarm="selectedAlarm"
       @cancel="alarmEditor = null"
       @delete="deleteSelectedAlarm"
@@ -209,6 +239,7 @@ onBeforeUnmount(() => clearInterval(ticker))
       >
         <template #left>
           <k-link
+            v-if="tab === 'alarm'"
             component="button"
             :link-props="{ type: 'button' }"
             @click="toggleAlarmEditing"
@@ -218,6 +249,7 @@ onBeforeUnmount(() => clearInterval(ticker))
         </template>
         <template #right>
           <k-link
+            v-if="tab === 'alarm'"
             component="button"
             icon-only
             :link-props="{ type: 'button' }"
@@ -291,7 +323,7 @@ onBeforeUnmount(() => clearInterval(ticker))
               @click="
                 clock.stopwatchStartedAt === null
                   ? clock.resetStopwatch()
-                  : clock.addLap(now)
+                  : clock.addLap(Date.now())
               "
             >
               {{
@@ -308,8 +340,8 @@ onBeforeUnmount(() => clearInterval(ticker))
               class="clock-action-button"
               @click="
                 clock.stopwatchStartedAt === null
-                  ? clock.startStopwatch(now)
-                  : clock.pauseStopwatch(now)
+                  ? clock.startStopwatch(Date.now())
+                  : clock.pauseStopwatch(Date.now())
               "
             >
               {{
@@ -362,21 +394,18 @@ onBeforeUnmount(() => clearInterval(ticker))
             />
           </k-list>
 
-          <k-block-title>{{ phone.t('Apps.clock.timer.sound') }}</k-block-title>
           <k-list strong inset class="clock-konsta-list clock-timer-settings">
             <k-list-item
-              v-for="sound in ALARM_SOUND_IDS"
-              :key="sound"
               link
               :chevron="false"
-              :title="phone.t(`Apps.clock.alarm.sounds.${sound}`)"
-              @click="clock.setTimerSound(sound)"
+              :title="phone.t('Apps.clock.timer.sound')"
+              @click="timerSoundMenuOpen = true"
             >
               <template #after>
-                <Check
-                  v-if="clock.timerSound === sound"
-                  class="h-5 w-5 text-primary"
-                />
+                <span class="clock-sound-selection">
+                  {{ phone.t(`Apps.clock.alarm.sounds.${clock.timerSound}`) }}
+                  <ChevronRight aria-hidden="true" />
+                </span>
               </template>
             </k-list-item>
           </k-list>
diff --git a/sky_phone/config/locales/en.lua b/sky_phone/config/locales/en.lua
index 37182f7..b02dca0 100644
--- a/sky_phone/config/locales/en.lua
+++ b/sky_phone/config/locales/en.lua
@@ -27,7 +27,7 @@ Locales["en"] = {
             },
             clock = {
                 name = "Clock", lap = "Lap", minutes = "Minutes", add = "Add alarm", location = "Los Santos",
-                tabs = { world = "World Clock", alarm = "Alarm", stopwatch = "Stopwatch", timer = "Timer" },
+                tabs = { world = "Clock", alarm = "Alarm", stopwatch = "Stopwatch", timer = "Timer" },
                 alarm = {
                     add = "Add Alarm", edit = "Edit Alarm", ringing = "Alarm", time = "Time", hours = "Hours", ["repeat"] = "Repeat", note = "Note",
                     notePlaceholder = "Alarm", sound = "Sound", delete = "Delete Alarm", never = "Never",
diff --git a/sky_phone/source/html/index.html b/sky_phone/source/html/index.html
index 69edda8..7e27981 100644
--- a/sky_phone/source/html/index.html
+++ b/sky_phone/source/html/index.html
@@ -4,8 +4,8 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Sky Phone</title>
-    <script type="module" crossorigin src="./assets/sky-index-DgnAE74E.js"></script>
-    <link rel="stylesheet" crossorigin href="./assets/sky-index-CCqdfChw.css">
+    <script type="module" crossorigin src="./assets/sky-index-CHcZ50p1.js"></script>
+    <link rel="stylesheet" crossorigin href="./assets/sky-index-BQVZ7udM.css">
   </head>
   <body>
     <div id="app"></div>