diff --git a/commons/passive/ticwatch/acceleration.avsc b/commons/passive/ticwatch/acceleration.avsc
new file mode 100644
index 00000000..5a538755
--- /dev/null
+++ b/commons/passive/ticwatch/acceleration.avsc
@@ -0,0 +1,12 @@
+{
+    "namespace": "org.radarcns.passive.ticWatch",
+    "type": "record",
+    "name": "TicWatchAcceleration",
+    "doc": "Data from 3-axis accelerometer sensor of a Mobovi TicWatch device.",
+    "fields": [
+        { "name": "time", "type": "double", "doc": "Device timestamp in UTC (ms)." },
+        { "name": "x", "type": "float", "doc": "Acceleration in the x-axis (g)." },
+        { "name": "y", "type": "float", "doc": "Acceleration in the y-axis (g)." },
+        { "name": "z", "type": "float", "doc": "Acceleration in the z-axis (g)." }
+    ]
+}
\ No newline at end of file
diff --git a/commons/passive/ticwatch/battery.avsc b/commons/passive/ticwatch/battery.avsc
new file mode 100644
index 00000000..ea606eb0
--- /dev/null
+++ b/commons/passive/ticwatch/battery.avsc
@@ -0,0 +1,10 @@
+{
+    "namespace": "org.radarcns.passive.ticWatch",
+    "type": "record",
+    "name": "TicWatchBatteryLevel",
+    "doc": "Battery level of a TicWatch device.",
+    "fields": [
+        { "name": "time", "type": "double", "doc": "Device timestamp in UTC (ms)." },
+        { "name": "batteryLevel", "type": "float", "doc": "Battery level from 0 to 1. Note that the battery level is a rough estimate." }
+    ]
+}
\ No newline at end of file
diff --git a/commons/passive/ticwatch/gyroscope.avsc b/commons/passive/ticwatch/gyroscope.avsc
new file mode 100644
index 00000000..29724723
--- /dev/null
+++ b/commons/passive/ticwatch/gyroscope.avsc
@@ -0,0 +1,12 @@
+{
+    "namespace": "org.radarcns.passive.ticWatch",
+    "type": "record",
+    "name": "TicWatchGyroscope ",
+    "doc": "Data from 3-axis gyroscope sensor of a Mobovi TicWatch device.",
+    "fields": [
+        { "name": "time", "type": "double", "doc": "Device timestamp in UTC (ms)." },
+        { "name": "x", "type": "float", "doc": "Angular velocity in the x-axis (rad/s)." },
+        { "name": "y", "type": "float", "doc": "Angular velocity in the y-axis (rad/s)." },
+        { "name": "z", "type": "float", "doc": "Angular velocity in the z-axis (rad/s)." }
+    ]
+}
\ No newline at end of file
diff --git a/commons/passive/ticwatch/ppg.avsc b/commons/passive/ticwatch/ppg.avsc
new file mode 100644
index 00000000..84fc49ac
--- /dev/null
+++ b/commons/passive/ticwatch/ppg.avsc
@@ -0,0 +1,11 @@
+{
+    "namespace": "org.radarcns.passive.ticWatch",
+    "type": "record",
+    "name": "TicWatchPPG",
+    "doc": "PPG collected using a Mobovi TicWatch.",
+    "fields": [
+        { "name": "time", "type": "double", "doc": "Device timestamp in UTC (ms)." },
+        { "name": "redled", "type": "float", "doc": "red LED" },
+        { "name": "iredled", "type": "float", "doc": "infrared LED" }
+    ]
+}
\ No newline at end of file
diff --git a/specifications/passive/ticwatch-1.0.0.yml b/specifications/passive/ticwatch-1.0.0.yml
new file mode 100644
index 00000000..2b3a2ce5
--- /dev/null
+++ b/specifications/passive/ticwatch-1.0.0.yml
@@ -0,0 +1,45 @@
+#====================================== TicWatch device =====================================#
+vendor: MOBOVI
+model: TicWatch
+version: 1.0.0
+data:
+  - type: ACCELEROMETER
+    sample_rate:
+      dynamic: true
+    unit: g
+    processing_state: RAW
+    topic: android_esl_ticwatch_acceleration
+    value_schema: .passive.esl.TicWatchAcceleration
+  - type: GYROSCOPE
+    sample_rate:
+      dynamic: true
+    unit: rad/s
+    processing_state: RAW
+    topic: android_esl_ticwatch_gyroscope
+    value_schema: .passive.esl.TicWatchGyroscope
+  - type: BATTERY
+    sample_rate:
+      dynamic: true
+    unit: PERCENTAGE
+    processing_state: RAW
+    topic: android_esl_ticwatch_battery_level
+    value_schema: .passive.esl.TicWatchBatteryLevel
+  - type: PPG
+    sample_rate:
+      dynamic: true
+    processing_state: RAW
+    topic: android_esl_ticwatch_ppg
+    value_schema: .passive.esl.TicWatchPPG
+  - type: EXTERNAL_TIME
+    doc: Information sent by the Mobovi Ticwatch about time synchronisation with a NTP server.
+    sample_rate:
+      dynamic: true
+    unit: SECOND
+    topic: application_external_time
+    value_schema: .monitor.application.ApplicationExternalTime
+  - type: DEVICE_INFO
+    doc: Device information where the app is installed
+    sample_rate:
+      dynamic: true
+    topic: application_device_info
+    value_schema: .monitor.application.ApplicationDeviceInfo