Grand Seiko STGK016

Elegance Collection | Limited Edition
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Grand Seiko Mechanical 140th Anniversary



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With just 60 pieces available worldwide, this limited edition Grand Seiko self-winding mechanical watch features an 18 carat gold case and twelve diamonds on its textured dial.

Designed to commemorate 140 years since the beginnings of Seiko Watch Corporation, the STGK016 establishes the “Classic Series” as a new design foundation for Grand Seiko women’s models, inspired by the overall case and crystal shape of the very first Grand Seiko timepiece from 1960.

This watch is powered by the 9S27 calibre – the woman behind its development was Sayaka Yamada who aimed to achieve Grand Seiko’s standard for high precision in a significantly smaller calibre. Often with a smaller and thinner movement accuracy is harder to stabilise as the balance wheel needs to shrink to fit within the smaller architecture, and a smaller balance wheel is often not as resilient against external forces.

The automatic calibre 9S27 strikes that difficult and delicate balance between high performance and slimness that only a long established “manufacture” can achieve with a precision rate of +8 to -3 seconds a day and a power reserve of 50 hours. These high levels of performance are delivered by a movement that is just 19.4mm in diameter and 4.49mm in height, creating an elegantly slim profile.

Every Grand Seiko features signature high standards of Japanese precision, durability and legibility, handcrafted by Takumi artisans. Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporation’s in-house ‘manufacture.’


Accuracy: -3/+8 seconds per day
Calibre: 9S27
Movement Type: Automatic with Manual Winding
Power Reserve: 50 Hours
Watch Exterior
Case Diameter: 29.5mm
Case Thickness: 10.5mm
Case Material: 18K Rose Gold
Strap/Bracelet: Crocodile Leather
Lug Width: 15.0mm
Dial Colour: White
Other Specifications
Crystal Coating: Anti-reflective coating on inner surface
Crystal Type: Box shaped sapphire crystal
Other Specifications: Dial with diamond(s)

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