Antiquorum lists an F.P.Journe Octa Calendrier, reference Q, as lot 157 in its New York auction scheduled for October 18, 2026. The published estimate is USD 400,000–800,000. This is an estimate, not a hammer price or all-in purchase cost. The house lists New York previews for October 16–17 at The Ned NoMad. The individual lot page could not be retrieved during this check, so this notice makes no additional claims about condition, provenance, production numbers or included accessories.