Cartier. A very fine and very rare open face 18K...

Cartier. A very fine and very rare open face 18K gold keyless wind pocket watch with beautifully enamelled back
Cartier. Une très belle et très rare montre de gousset en or jaune 18K (750) à cadran ouvert et remontoir au pendant avec magnifique dos émaillé
Date: Circa 1900
Movement: Jewelled manual wind
Dial: Champagne engine-turned and guilloche, black Arabic numeral hour markers, black outer minute divisions, blued steel 'Breguet style' hands
Case: Round, snap on back, green enamelled back with one outer white enamelled band, two white enamelled bands to bezel, inside case back stamped 2600
Signed: Dial
Size: 46mm
Weight: 46,58g