Rolex, model of the crown 24-603, built following the development of the prototype in 1964 This model intended for internal use at Rolex has been preserveduntil now in the family of the watch engineer who developed the prototype, 6.7 cm

Rolex, model of the crown 24-603, built following the development of the prototype in 1964
This model intended for internal use at Rolex has been preserveduntil now in the family of the watch engineer who developed the prototype, 6.7 cm

environ 188g