MIL-W-14624, MILITARY SPECIFICATION: WATCH, POCKET, (60 SECONDS DAILY RATE), GRADE III (12-NOV-1957)

MIL-W-14624, MILITARY SPECIFICATION: WATCH, POCKET, (60 SECONDS DAILY RATE), GRADE III (12-NOV-1957)., This specification covers a durable, rugged, water-resistant military pocket watch with good timekeeping quality, capable of extended service without repair.