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The references with precious metal cases feel heavy enough to have a presence. In stainless steel, it's hard to feel the watch at all. The completely flat caseback and link minimal footprint mean the watch wears flush. The caseback meets the case link at ninety degrees, and the caseback also meets link the wrist at 90 degrees. It wears as compact as it looks.

The Grand Seiko Kodo Constant-Force Tourbillon Ref. SLGT003 link features the manually wound Caliber 9STI beating at 28800 vph and running in 44 jewels for a power reserve of 72 hours 50 hours of constant force with accuracy of +5 to -3 seconds per day. It is water-resistant to 100 meters and comes in a 43.8mm link x 12.9mm Zaratsu-polished link case made of 950 platinum and Brilliant Hard Titanium. The retail price is 350000 and there will be 20 pieces made.