<s>
The	O
Samsung	B-Device
Galaxy	I-Device
Watch	I-Device
series	I-Device
is	O
a	O
line	O
of	O
smartwatches	B-Application
designed	O
and	O
produced	O
by	O
Samsung	O
Electronics	O
.	O
</s>
<s>
The	O
line	O
features	O
various	O
health	O
,	O
fitness	O
,	O
and	O
fashion	O
related	O
features	O
,	O
and	O
is	O
integrated	O
with	O
Samsung	O
's	O
other	O
products	O
under	O
the	O
Samsung	B-Operating_System
Galaxy	I-Operating_System
brand	O
.	O
</s>
<s>
The	O
first	O
smartwatch	B-Application
under	O
this	O
series	O
,	O
the	O
Samsung	B-Operating_System
Galaxy	I-Operating_System
Watch	O
,	O
was	O
released	O
in	O
August	O
2018	O
.	O
</s>
<s>
The	O
Galaxy	O
Watch	O
uses	O
Tizen	B-Application
as	O
its	O
operating	O
system	O
.	O
</s>
<s>
Since	O
the	O
Galaxy	B-Application
Watch	I-Application
4	I-Application
and	O
Galaxy	B-Application
Watch	I-Application
4	I-Application
Classic	O
,	O
Galaxy	O
Watch	O
started	O
using	O
WearOS	B-Application
.	O
</s>
