Wristwatch: extremely rare Rolex Observatory Chronometer quality "EXTRAPRIMA", Rolex Prince Brancard Ref. 1490, ca. 1930
Ca. 23 x 43 mm, 18 K gold, curved case, reference 1490, manual winding, extremely rare chronometer caliber, movement inscribed "Observatory Quality", Elinvar hairspring, golden wheels, adjusted in 6 positions, original dial, rare edition with square hour/minute register, subsidiary seconds, blued steel hands, high-grade leather strap with 18 K gold Rolex buckle, in working order and in very good condition. A comparable watch was sold Geneva 2006 for more than 21,000 SwissFrancs.