diff --git a/commons/passive/ticwatch/ticwatch_acceleration.avsc b/commons/passive/ticwatch/ticwatch_acceleration.avsc
new file mode 100644
index 00000000..d72508b5
--- /dev/null
+++ b/commons/passive/ticwatch/ticwatch_acceleration.avsc
@@ -0,0 +1,13 @@
+{
+    "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": "timeReceived", "type": "double", "doc": "Processed time since the Unix Epoch (seconds)." },
+        { "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/ticwatch_battery_level.avsc b/commons/passive/ticwatch/ticwatch_battery_level.avsc
new file mode 100644
index 00000000..869bac11
--- /dev/null
+++ b/commons/passive/ticwatch/ticwatch_battery_level.avsc
@@ -0,0 +1,11 @@
+{
+    "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": "timeReceived", "type": "double", "doc": "Processed time since the Unix Epoch (seconds)." },
+        { "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/ticwatch_gyroscope.avsc b/commons/passive/ticwatch/ticwatch_gyroscope.avsc
new file mode 100644
index 00000000..e602a814
--- /dev/null
+++ b/commons/passive/ticwatch/ticwatch_gyroscope.avsc
@@ -0,0 +1,13 @@
+{
+    "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": "timeReceived", "type": "double", "doc": "Processed time since the Unix Epoch (seconds)." },
+        { "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/ticwatch_ppg.avsc b/commons/passive/ticwatch/ticwatch_ppg.avsc
new file mode 100644
index 00000000..c8810913
--- /dev/null
+++ b/commons/passive/ticwatch/ticwatch_ppg.avsc
@@ -0,0 +1,12 @@
+{
+    "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": "timeReceived", "type": "double", "doc": "Processed time since the Unix Epoch (seconds)." },
+        { "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..036bc1af
--- /dev/null
+++ b/specifications/passive/ticwatch-1.0.0.yml
@@ -0,0 +1,47 @@
+#====================================== TicWatch device =====================================#
+vendor: Mobobi
+model: TicWatch
+version: 1.0.0
+app_provider: .ticwatch.TicwatchSeviceProvier
+data:
+  - type: ACCELEROMETER
+    sample_rate:
+      dynamic: true
+    unit: G
+    processing_state: RAW
+    topic: android_esl_ticwatch_acceleration
+    value_schema: .passive.ticwatch.TicwatchAcceleration
+  - type: GYROSCOPE
+    sample_rate:
+      dynamic: true
+    unit: RADAIAN_PER_SEC
+    processing_state: RAW
+    topic: android_esl_ticwatch_gyroscope
+    value_schema: .passive.ticwatch.TicwatchGyroscope
+  - type: BATTERY
+    sample_rate:
+      dynamic: true
+    unit: PERCENTAGE
+    processing_state: RAW
+    topic: android_esl_ticwatch_battery_level
+    value_schema: .passive.ticwatch.TicwatchBatteryLevel
+  - type: PPG
+    sample_rate:
+      dynamic: true
+    unit: UNKNOWN
+    processing_state: RAW
+    topic: android_esl_ticwatch_ppg
+    value_schema: .passive.ticwatch.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