8F56-0050] 1998 Perpetual Calendar -- bezel not rotating, battery needs replacement, needs overhaul in general -- but hey it's an interesting piece (and still works)! : r/Seiko
Seiko 8F56-0040 Perpetual Titanium GMT – porlm
Seiko 3254ZG 8F56-00G0 Genuine Seiko Watchband Perpetual Calendar-Silver Tone Metal watchband - watchbands.com