This is a “NAIL SET” watch so you don’t pull the crown out to set the time. Instead, you press the little button below the crown IN and then move the crown to set the hands, releasing the button once you’re finished.
 
Technical information:
Diameter of the case with crown: 91 mm
Diameter of the case: 69 mm
Diameter of the dial: 59 mm
Thickness: 24 mm

Serial Number: 224 611
Produt of Year: 1909











Source: https://www.ebay.com/itm/Pavel-Bure-Russia-Empire-1909-Antique-Swiss-Carpet-Dilizhans-Huge-Pocket-Watch-/192428171107