The new World Time Curved watch has an E Ink "surf" display which offers 24 time zones, several display modes and has a new ultra-thin (9.3mm) curved case. This is Phosphor's next-gen E Ink watches (here's the original ones). Here's our review of this watch.

The watch costs $150 and is now shipping from Phosphor's own shop.

E Ink display info: 
Curved segmented 'surf' E Ink display