Limited Edition
Grand Seiko Sport Limited Edition GMT Chronograph Spring Drive – SBGC231

Grand Seiko Sport Limited Edition GMT Chronograph Spring Drive – SBGC231

SKU: GRS-SBGC231

Regular price $12,900.00
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This item is in stock and ready to ship!
Grand Seiko’s SBGC231 is a Limited Edition of 500 pieces, part of the Sport Collection and housed in a modern titanium case inspired by power of the GS Lion. It is 44.5mm in diameter and 50.0mm lug to lug, with a sapphire crystal (with inner anti-reflective coating), fixed and luminous sapphire GMT bezel, sapphire case back, and screw down crown providing 200m of water resistance. The Spring Drive 9R96 Caliber (assembled and adjusted by hand at the Shinshu Watch Studio with additional regulation and a custom rotor with 18K gold medallion) provides a smooth sweeping seconds hand with an astonishing precision of +/- 10 seconds per month, unprecedented for a watch powered by a mainspring. This movement is a horological tour de force providing a vertical clutch and column wheel chronograph with 30 minute and 12-hour counters, “Flyer GMT” capability (with a 24-hour hand and adjustability of the main hour hand in one-hour jumps, backwards or forwards), date, and an indicator showcasing 72 hours of power reserve.

Grand Seiko is known for intricate dials and incredible casework utilizing Zaratsu polishing to create a mirror finish. The titanium used is Grand Seiko’s special Hi-Intensity Titanium, providing scratch and corrosion resistance at a weight 30% lighter than stainless steel. The motif of the lion’s mane comes to life on the unique brown dial with a stunning texture and wide, Lumibrite coated hands and indices, providing great legibility. This Grand Seiko comes with a folding pushbutton clasp on its 5-link titanium bracelet, with secure lock and a solid, sliding adjuster, giving the wearer flexibility both in varied wearing conditions and for wearing over a wetsuit.

Little Treasury is an authorized Grand Seiko dealer, and we have this piece in stock, ready for delivery!
Band Bracelet
Band Material Titanium
Caliber 9R96
Case Material High-Intensity Titanium
Case Size 44.5mm
Case Thickness 16.8mm
Caseback Display
Clasp Three-fold
Collection Sport
Crystal Sapphire Crystal
Dial Textured Brown
Function GMT Chronograph
Gender Men's
Lug Width 23mm
Lug-to-Lug 50.0mm
Movement Spring Drive
Power Reserve 72 Hours
Water Resistance 200m
SKU # GRS-SBGC231
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