Platinum Chronometer no. 3223

Case: Platinum Dial: Silver by Stern Freres, Geneve on the dial Movement: s/n; 3223, caliber 16 ligne (reduced from 17 ligne), Eighteen (18) jewels, Seven (7) adjustments, 2 x Poincon de Geneve quality seals, H Matalene W, Switzerland Provenance: 1924 - Niton, Geneva 1929 - H.W. Matalene 20? - Privat, American collector The movement with s/n 3223 was out of a batch of 4 which obtained the Poincon de Geneve quality seals at October 16, 1924. Movement s/n from this batch were; 3221; 3222; 3233; 3224. Known are also other Matalene pocket watches with m movement s/n; 3225; 3226; 3227; 3228; 3229; 3230.