Audemars Piguet "John Schaeffer" 18k Yellow Gold Breguet Numerals Dial Ref 14994BA 2017 The term "Sigma" refers to

The term "Sigma" refers to the small Greek letter sigmas found on dials with the "T SWISS T" text

From concept to series

the case has developed a beautiful reddish patina

The 41mm steel case is strong

We consider this combo to be our signature Sub

Audemars Piguet "John Schaeffer" 18k Yellow Gold Breguet Numerals Dial Ref 14994BA 2017 The term "Sigma" refers toThe Audemars Piguet "John Schaeffer" collection hails from the 1990s, when AP introduced its cushion shaped line, capturing the essence of haute horology. This particular model, crafted from 18k yellow gold in a classic 33mm cushion shaped case, showcases a glossy white dial with striking black painted Breguet numerals. The John Schaeffer line was a precursor to AP's Tradition collection and continues to be revered by purists and collectors alike. The