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Floor Guide
Floor Guide Top
B1Extreme times
1FThe beginnings of time
2FAlways one step ahead of the rest
3FFrom time indicated by natureto human-made time
4FPrecise (Seiko) time
5FA variety of times
Seiko and Timepieces History
Escapement for the Marine Chronometer
Age of Discovery and Marine Chronometers
John Harrison (1693-1776)
Abraham-Louis Breguet（1747-1823）
