ALPINA OPEN FACE 18K YELLOW GOLD POCKET WATCH.

Date: Circa 1930's
Movement: Signed Alpina, high regulator balance, Cal.331, No.63XXXX
Dial: Signed, silvered, gilt Arabic numerals, black outer minute division, gilt hands, subsidiary dial for seconds at the 6 o'clock position
Case: Open face, 18k yellow gold, snap on back, No. 46/7XXXX
Size: 47.3mm
Watch weight: 62.2g.
Accompaniments: Black fabric tassel