Apple Watch Series 9 45mm GPS & Cellular. Device is used. battery life is fine, easily get through a full day.
This watch does have a cellular option, so if you would like to purchase a phone plan for this watch through your carrier, which gives it it's own mobile number, you can do that. With the mobile plan you could use it without a phone connection.
Device does have a scratch along the top of the screen. it does not affect usage and is only cosmetic.