Grand Seiko
Authorized dealer
Asking $6,300–$6,795
No suggested buy/sell -- retail range only.
Secondary / used
Asking $4,677–$5,900
Suggested buy ~$4,900 · sell ~$5,700
Grand Seiko holds value close to retail -- genuine used comps were thin, most Chrono24 listings were dealer 'new' stock rather than true pre-owned.