Grand Seiko Heritage Silk Sunray Spring Drive – SBGA437
Grand Seiko Heritage Silk Sunray Spring Drive – SBGA437
Grand Seiko Heritage Silk Sunray Spring Drive – SBGA437

Grand Seiko Heritage Silk Sunray Spring Drive – SBGA437

SKU: 001-545-08689

Regular price $4,800.00
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Grand Seiko’s SBGA437 is part of the Heritage Collection, housed in a 40mm stainless steel case that is 46.6mm lug to lug, with a curved sapphire crystal and screw down crown that provides 100m of water resistance. The Spring Drive 9R65 Caliber (assembled and adjusted by hand at the Shinshu Watch Studio) provides a smooth sweeping seconds hand with an astonishing precision of +/- 15 seconds per month, unprecedented for a watch powered by a mainspring. The beautiful movement provides 72 hours of power reserve, is anti-magnetic, and features a screw-in steel case back with the Grand Seiko Lion motif.

Grand Seiko is known for intricate dials and incredible casework utilizing Zaratsu polishing to create a mirror finish. This watch has a silken sunray champagne dial that provides wonderful light interplay, and an initial look belies the complexity and effort to create one of the most complex dials in the Grand Seiko catalog. The needle-sharp seconds hand, power reserve indicator, and framed date display provide useful information at a quick glance, while maintaining the harmony of the timepiece. This Grand Seiko comes on a three-link satin finished bracelet with a three-fold clasp and two half links to finely adjust the fit.

Little Treasury is an authorized Grand Seiko dealer, and we have this piece in stock, ready for delivery!
Band Bracelet
Band Material Stainless Steel
Caliber 9R65
Case Material Stainless Steel
Case Size 40mm
Case Thickness 12.3mm
Caseback Closed
Clasp Three-Fold Clasp
Collection Heritage
Crystal Sapphire Crystal
Dial Champagne
Function Date
Gender Men's
Lug Width 20mm
Lug-to-Lug 46.6mm
Movement Spring Drive
Power Reserve 72 Hours
Water Resistance 100m
SKU # GRS-SBGA437
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LOCAL LUXURY - LITTLE TREASURY JEWELERS

Little Treasury Jewelers is the watch and jewelry store destination for the greater Baltimore-Annapolis area. Providing a piece for all of life’s occasions, offering a collection of wedding and engagement jewelry, fine timepieces, children’s jewelry, and gifts. With a selection of fine watches unequaled in the area, international jewelry designers, and a repair facility on the premise, Little Treasury is truly a “hidden gem” in Maryland.