Omega De Ville Chronoscope Rattrapante Ref. 4847.50.31 from 2012. Discontinued model featuring a split-seconds chronograph – one of watchmaking's most complex complications. Video explaining the rattrapante function: https://www.youtube.com/watch?v=c2TdvTgaVpY Full service at Omega (Swatch Group Nordic / Bienne network) – 11 March 2025. Complete Omega service receipt included. 24-month Omega warranty on the work performed, valid until 11.03.2027. Parts replaced during service (per Omega receipt): Barrel Complete Co-axial wheel, pallet and intermediate wheel (complete escapement) Hand set Crown and pushers (5 pcs) Gaskets and crown tube Movement: Omega Cal. 3612 (based on Frédéric Piguet 1186), Co-Axial escapement, 38 jewels, 52-hour power reserve, COSC-certified chronometer. Condition: Condition report from Urmaker Bjerke (April 2025) – graded 1–2 on all points (1 = like new). tickIQ measurement: −0.5 sec/day, 314° amplitude. Included: Original Omega box (inner + outer) Original warranty certificate Original Omega leather strap Omega service receipt (Bienne, 11.03.2025) Condition report from Urmaker Bjerke Specifications: 41 mm steel case, sapphire crystal front and back Black dial with silver-toned sub-dials Water resistant to 100 m Twin blued-steel column wheels visible through the case back