1975 Hamilton Rare 6BB 6645 99 Royal Air Force British Military Issue SOLD 1973 Hamilton W10 military issued watch Birth Year Watches 1973 Hamilton W10 6645 99 Mechanical British Military Issue Wristwatch 1973 Hamilton W10 6645 99 Mechanical British Military Issue Wristwatch CWC W10 6645 99 AKA 'G10' Quartz Wristwatch, British Military Issue, Yr 1975 Hamilton W10 6645 99 British Military Issue Mechanical Wristwatch