Grand Seiko SBGM221 Grand Seiko Automatic SBGM221 SS / Cream Dial GMT (31363)

31363 Grand Seiko SBGM221, stainless steel on a strap with a stainless steel deployment buckle, automatic Grand Seiko caliber 9S66 movement, cream dial with applied hour markers, dauphine shaped hands, blued steel GMT hand, center sweep seconds hand, water resistant to 30 meters, diameter: 39.5mm thickness: 13.5mm. Like New with original box and papers dated November of 2018.


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More about Grand Seiko SBGM221 Grand Seiko Automatic SBGM221 SS / Cream Dial GMT

This is a stainless steel Grand Seiko Elegance Automatic GMT SBGM221. It has an alligator leather strap with a stainless steel deployment buckle, and scratch resistant sapphire crystals with anti-reflective coating. It has a pull out winding crown, and there is an exhibition sapphire display case back secured with six screws, and engraved around the movement is "WATER RESISTANT – STAINLESS STEEL – MADE IN JAPAN," hallmarks, and a serial number. Engraved in gold on the rotor is "GS – GRAND SEIKO." The 39.5mm diameter solid two body case, curved lugs, and flat angled bezel, are "Zaratsu" polished. The dial is ivory/cream with applied faceted steel baton hour markers with luminous inserts, around a perimeter black minute/second scale. It has polished steel delta hands, a center sweep seconds hand, and a fourth heat-blued steel GMT second time zone hand with an arrow tip that indicates the inner black Arabic numeral/dart marker 24-hour GMT scale. There is a polished steel-rimmed date aperture window at the 3 o'clock position. It's water resistant to 30 meters/100 feet, and it has a 72-hour power reserve at full winding. The 13.7mm thick case, dial and movement are all signed.

This Grand Seiko Elegance Automatic GMT SBGM221 has a mechanical automatic self-winding Grand Seiko caliber 9S66A movement. It's rhodium plated with Cotes de Geneve embellishment, and it's constructed with 35 jewels, an anti-shock device, a monometallic balance adjusted to temperature and 6 positions, and an index regulator. It includes a Spron 610 anti-magnetic hairspring, and the mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The Grand Seiko Elegance Automatic GMT SBGM221 was introduced in 2018.