江诗丹顿及Verger Frères，非常罕有，铂金镶钻石及玉石挂表，编号399’351，附盒子，约1920 年制

SIGNED VACHERON & CONSTANTIN, GENEVA, NO. 399'351, CASE NO. 231'915, CASE FURTHER STAMPED VF FOR VERGER FRERES, CIRCA 1920