John Harrison JOHN HARRISON Full Skeleton Automatic Watch JH003-SW [item]

--------------------------------------------------------------------------------- We are a Japanese watch specialty store. * Operated by Japanese sellers - Japanese sellers with trust and experience. * Direct from Japan - All items are carefully packed and shipped promptly from Japan. * Highest quality control - Inspected by Japanese standards to ensure high quality products. --------------------------------------------------------------------------------- Size: (H×W×D) Approx. 41×41×12mm Material: stainless steel Specifications: Automatic winding, multi-calendar (month, date, day of the week, 24-hour meter), full skeleton, waterproof for daily life Accessories: case, warranty, instruction manual Warranty period: 1 year ★★　J.HARRISON　Multifunctional automatic winding　★★ Master Clockmaker John Harrison (March 24, 1693 - March 24, 1776) was an English clockmaker. He created the first mechanical watch (chronometer) with enough precision to measure longitude, which was necessary for ocean-going voyages. John Harrison's invention of the chronometer made it possible to measure longitude, create accurate nautical charts and world maps, and lead to numerous geographical discoveries and new trades all over the world. In the watch industry, it has become possible to measure time with dramatic accuracy. Recommended as a present or gift.