For Sale WTT: Sinn U50 MOP

[fire_lantern]

Hi all, looking for a potential trade for my Sinn U50 MOP (Perlmutt, Mother of Pearl). Strap sized for ~7" wrist (with room thanks to quick adjust clasp). Was only worn a few times on rubber. TV about $4100 USD. In search of the following:
Sinn T50
Tudor Pelagos FXD Red Bull or Black
Grand Seiko SBGM247, SBGE283...maybe some other GS