Yellow Patek Philippe & Cie. Genève. Movement 1920

 In the listing, the terms 'Custom' and 'Custom made' signify that the part(s) have been uniquely crafted and are not sourced from the Patek Philippe factory or associated with Patek Philippe. ◾️Watch Description: Movement Brand: Patek Philippe & Cie. Genève Movement number: 199309 Year of production: 1920-1925 Caliber: Uncertain, but appears to be a "Lepine"-type movement Finish: Black rhodium Decoration: Handcrafted, thematic (medical theme), galvanic coating Power reserve: 32 hours Jewels: 15 (approximately, not confirmed) Case Dimensions: Diameter ~46 mm, thickness ~13 mm Material: 18K yellow gold  Finish: Polished Water resistance: Present Gemstones Details: 8 diamonds on the dial Crystal Material: Front and back sapphire crystals Strap and Buckle Strap size: 22mm/20mm Strap material: Black crocodile leather with blue stitching Buckle material: 18K yellow gold  Dial Material: Sterling silver (925 fineness) Hour markers: Roman numerals at 3, 6, and 9; initials at 12; diamonds f