Uvnitř:
Alpina Al-650-1 (based on an ETAUnitas
6498-1, modified to support a regulator
dial); diameter = 36.6 mm (16 3/4 lignes);
height = 4.5 mm; 17 jewels; Swiss lever escapement;
Glucydur balance with smooth rim; Nivarox-
1 balance spring; 18,000 vph; fine adjustment
for the index pointer via ?Etachron? system;
one barrel; 42-hour power reserve (?5%)
Zdroj Koscom.