Platinum Wrist Chronometer no. 1250

Case: Platinum (in all probability) Dial: silvered dial, simple hour and minute hands (in all probability) Movement: s/n; 1250, baguette caliber 6"', Eighteen (18) jewels, Eight (8) adjustments, Mauboussin, Poincon de Geneve quality seal, obtained on August 29, 1927 and was part of a batch of 3 (1249-1251) Provenance: 1927 - Niton, Geneve 1927 - Mauboussin, Paris (New York, London) 2000 - Mr. Beauchamp, UK This caliber was also used by Patek Philippe and is know as Niton's caliber.