Xiaomi's smart fitness band, the Hey Plus 1S, sports a 0.95" AMOLED display (likely BOE's 120x240 one), 50ATM water resistance, NFC and more.

Xiaomi Hey Plus 1S photo

The Hey Plus 1S is now shipping in China starting at around $25.

OLED type: 

0.95" 120x240 AMOLED

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters