The Micra S doesn't come with an arm rest. IMPUL posted this one in his garage that he got from eBay.
It's the type that mounts in the rear cup holder in the center console:
Details:
From the eBay ad:
Link: http://www.ebay.com/itm/251884945822Black ABS body with black fabric top
Made for:
- NISSAN MARCH MK4 K13 (2010-2015)
- NISSAN MICRA MK4 K13 (2010-2015)
- Nicely covered with soft damping pads
- Swivel/Lift up mechanism with 14 positions
- Internal carpeted storage compartment
- All necessary fasteners for assembly will be delivered
- itting into the storage compartment behind the handbrake
- Complete retrofit kit
- Quick and easy assembly
Its not cheap though: looks like about $71 plus $35 shipping. There are cheaper ones available that look similar, but don't specifically say they're for the Micra.