PATEK PHILIPPE, OPEN-FACED POCKETWATCH, 18K YELLOW GOLD, RETAILED BY BIRKS & SONS LIMITED

PATEK PHILIPPE, OPEN-FACED POCKETWATCH, 18K YELLOW GOLD, RETAILED BY BIRKS & SONS LIMITED
CIRCA: 1919
CASE MATERIAL: 18k Yellow Gold
CASE DIAMETER: 45.5mm
MOVEMENT NO’: 189.152
CASE NO’: 410.025
DIAL: Silvered ???
MOVEMENT: Manual
FUNCTIONS: Subsidiary Seconds Hand
BOX: No
PAPERS: No
ACCESSORIES: A Patek Philippe Extract from the Archives Confirming Date of Sale August 28th, 1935, Birks & Sons Presentation Box