A large stainless steel sapphire and diamond-set 'Booster' automatic wristwatch, by Jahan

A large stainless steel sapphire and diamond-set 'Booster' automatic wristwatch, by Jahan
The circular dial with diamond openwork floral decoration within an oval-cut orange sapphire surround with diamond accents, to diamond-set lugs, with later leather straps and diamond-set maker's buckle, case 55mm wide, bracelets 25.0 cm long
Dial and buckle signed Jahan, case signed Booster, no. 093