1991 Louis Brandt II Collection Chronograph, calibre 1158

These limited and numbered edition watches used calibre1158, AUTOMATIC chronometer certified, unlike the 1984 Louis Brandt I watches, which were primarily Omega in house calibres. This series included three perpetual calendar models (skeleton and with and without 21k gold rotor), chronograph with and without 21 k gold rotor, and date with and without 21k gold rotor. Date and chronograph were chronometers, although not marked on the face. 

Produced in a total quantity of 876 pieces only

Case 18K solid yellow gold, 34mm
Case back: Press-in Transparent (sapphire)
Dial: Silvered with "clous de Paris" pattern, with 11 roman hour markers and 12 18K gold "cabochons".
Crystal: Scratch-resistant sapphire (anti-reflective)
Bracelet: Original Omega leather strap with Omega 18K gold buckle.