diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/watchs1active/XiaomiWatchS1ActiveCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/watchs1active/XiaomiWatchS1ActiveCoordinator.java
new file mode 100644
index 000000000..17b25f1d6
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/watchs1active/XiaomiWatchS1ActiveCoordinator.java
@@ -0,0 +1,70 @@
+/*  Copyright (C) 2023 Yoran Vulker
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watchs1active;
+
+import android.content.Context;
+import android.net.Uri;
+
+import androidx.annotation.Nullable;
+
+import java.util.regex.Pattern;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.InstallHandler;
+import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.XiaomiEncryptedCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.XiaomiInstallHandler;
+
+public class XiaomiWatchS1ActiveCoordinator extends XiaomiEncryptedCoordinator {
+
+    @Override
+    public int getDeviceNameResource() {
+        return R.string.devicetype_xiaomi_watch_s1_active;
+    }
+
+    @Override
+    protected Pattern getSupportedDeviceName() {
+        return Pattern.compile("^XiaomiWatchS1Active [0-9A-Z]{4}$");
+    }
+
+    @Override
+    public boolean isExperimental() {
+        return true;
+    }
+
+    @Nullable
+    @Override
+    public InstallHandler findInstallHandler(Uri uri, Context context) {
+        final XiaomiInstallHandler handler = new XiaomiInstallHandler(uri, context);
+
+        return handler.isValid() ? handler : null;
+    }
+
+    @Override
+    public int getDefaultIconResource() {
+        return R.drawable.ic_device_watchxplus;
+    }
+
+    @Override
+    public int getDisabledIconResource() {
+        return R.drawable.ic_device_watchxplus_disabled;
+    }
+
+    @Override
+    public boolean supportsMultipleWeatherLocations() {
+        return true;
+    }
+}
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
index 8fc4aacc1..1c5be9147 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
@@ -141,6 +141,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.waspos.WaspOSCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.watch9.Watch9DeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.withingssteelhr.WithingsSteelHRDeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.miband8.MiBand8Coordinator;
+import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watchs1active.XiaomiWatchS1ActiveCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xwatch.XWatchCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.zetime.ZeTimeCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.miwatch.MiWatchLiteCoordinator;
@@ -198,6 +199,7 @@ public enum DeviceType {
     MIBAND8(MiBand8Coordinator.class),
     MIWATCHLITE(MiWatchLiteCoordinator.class),
     REDMIWATCH3ACTIVE(RedmiWatch3ActiveCoordinator.class),
+    XIAOMI_WATCH_S1_ACTIVE(XiaomiWatchS1ActiveCoordinator.class),
     AMAZFITGTS3(AmazfitGTS3Coordinator.class),
     AMAZFITGTR3(AmazfitGTR3Coordinator.class),
     AMAZFITGTR4(AmazfitGTR4Coordinator.class),
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fd6e9fbda..02dcddb81 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2429,4 +2429,5 @@
     <string name="wake_up_time">Wake Up</string>
     <string name="pref_sleep_mode_schedule_title">Sleep Mode Schedule</string>
     <string name="pref_sleep_mode_schedule_summary">Send a reminder and enter sleep mode at bedtime. At the scheduled wake-up time, the wake-up alarm will sound.</string>
+    <string name="devicetype_xiaomi_watch_s1_active">Xiaomi Watch S1 Active</string>
 </resources>