diff --git a/backend/routers/watcher_manager.py b/backend/routers/watcher_manager.py
index a42c34b..0fee01b 100644
--- a/backend/routers/watcher_manager.py
+++ b/backend/routers/watcher_manager.py
@@ -31,11 +31,15 @@ router = APIRouter(tags=["admin"])
 def _agent_to_dict(agent: WatcherAgent) -> dict:
     last_seen = agent.last_seen
     if last_seen:
-        # Compute age in minutes (last_seen stored as UTC naive)
         now_utc = datetime.utcnow()
         age_minutes = int((now_utc - last_seen).total_seconds() // 60)
+        if age_minutes > 60:
+            status = "missing"
+        else:
+            status = "ok"
     else:
         age_minutes = None
+        status = "missing"
 
     return {
         "id": agent.id,
@@ -43,7 +47,7 @@ def _agent_to_dict(agent: WatcherAgent) -> dict:
         "version": agent.version,
         "last_seen": last_seen.isoformat() if last_seen else None,
         "age_minutes": age_minutes,
-        "status": agent.status,
+        "status": status,
         "ip_address": agent.ip_address,
         "log_tail": agent.log_tail,
         "update_pending": bool(agent.update_pending),
diff --git a/backend/routes.py b/backend/routes.py
index 2af0897..291f370 100644
--- a/backend/routes.py
+++ b/backend/routes.py
@@ -216,20 +216,9 @@ async def series3_heartbeat(request: Request, db: Session = Depends(get_db)):
 
         results.append({"unit": uid, "status": status})
 
-    # Determine overall worst status for the watcher agent row
-    statuses = [r["status"] for r in results]
-    if "Missing" in statuses:
-        agent_status = "missing"
-    elif "Pending" in statuses:
-        agent_status = "pending"
-    elif statuses:
-        agent_status = "ok"
-    else:
-        agent_status = "unknown"
-
     if source:
         _upsert_watcher_agent(db, source, "series3_watcher", version,
-                               client_ip, log_tail_str, agent_status)
+                               client_ip, log_tail_str, "ok")
 
     db.commit()
 
@@ -340,20 +329,9 @@ async def series4_heartbeat(request: Request, db: Session = Depends(get_db)):
 
         results.append({"unit": uid, "status": status})
 
-    # Determine overall worst status for the watcher agent row
-    statuses = [r["status"] for r in results]
-    if any(s.lower() == "stale" for s in statuses):
-        agent_status = "missing"
-    elif any(s.lower() == "late" for s in statuses):
-        agent_status = "pending"
-    elif statuses:
-        agent_status = "ok"
-    else:
-        agent_status = "unknown"
-
     if source:
         _upsert_watcher_agent(db, source, "series4_watcher", version,
-                               client_ip, log_tail_str, agent_status)
+                               client_ip, log_tail_str, "ok")
 
     db.commit()