A super rare Lemania series 1 HS9 6228 military chronograph and log book. This Lemania series 1 monopusher chronograph is a classic British military watch. Issued to the Royal Navy, it's cassock markings of 'HS9' shows that it was intended for 'Hydrographic Services'. Beating inside this watch is the famous column wheel Lemania 15 CHT. Gompletely gilded, it is a very attractive movement. The watch is accompanied by the original owner Sub Lieutenant R. Groves's Royal Canadian Air Force Pilots flying log book. Sub Lieutenant R. Groves was based in Yeovilton HMS HERON with the Royal Navy Air Fleet arm.