Stainless Steel, Pilot bracelet with flip-lock clasp, unidirectional bezel, black Roman dial, automatic Chronometer (Cal. B01 (in-house)), 12-hour column-wheel chronograph, instantaneous date, screw-down crown and pushers, domed sapphire crystal, Ref. AB011012/B956, 44mm, recent factory service (August 2026), Mint in service box with service papers + BW Warranty