Vintage Citizen Promaster Solar Tech 180 Titanium watch.

Reference 7871-H10317 GN-4-S

Early iteration ecodrive.

Features 39mm case without crown, rare black dial, date, unidirection rotating bezel, and double locking fold over clasp with micro adjustments.

Good used condition. Working as intended.

Has some scratches mainly on the outward facing side of bracelet and clasp.

Currently sized for a 6" wrist.

Includes 3 extra links.