ULTRA. Hinged rhombiform wristwatch in 18K (750 thousandths) yellow gold, silvered dial, applied Arabic numeral hour markers, internal railway minute track, small seconds and 'syringe' hands, signed, circa 1930. Mechanical movement. Leather strap with gilt metal buckle. Numbered 43652. 32 x 24 mm. Gross weight 20.9 g. Functioning not guaranteed, micro-scratches from use, wear and tear. For this lot, SC E & S PORTIER was assisted by Géraldine Richard, SFEP expert.