Cal. 978 nickel-finished lever movement 33 jewels 22K pink gold rotor three-armed titanium tourbillon carriage with three-spoke seconds hand visible through a glazed aperture in the silvered brushed dial applied dagger and Arabic numerals with luminous dots two-tone silvered alpha hands outer date ring with central hand engine-turned subsidiary dial for second time zone large circular case glazed display back secured by four screws stainless steel Jaeger-LeCoultre deployant clasp case dial and movement signed