Bidspirit auction | Seiko Momotaro 21-7510 Octagonal Manual

Seiko Momotaro 21-7510 Octagonal Manual Wind Keychain Watch - Seiko Momotaro manual-wind keychain watch, model 21-7510, mid-20th century. The octagonal folding clamshell case features a dark reddish-brown marbled exterior with gold-tone floral scrollwork and a stainless steel back. The white octagonal dial displays Roman numeral markers and silver-tone baton hands, attached to a silver-tone metal snake chain with a spring-loaded ring clasp. The dial is marked SEIKO 17 JEWELS JAPAN, and the case back is stamped SEIKO 0D0647 CRP BACK ST. STEEL 21-7510. Closed case width: 37.7 mm.