Grand Seiko ‘Tentagraph’ – SLGC001 Hi Beat Automatic Chronograph

£12,500.00

This watch marks a new level of innovation for the Grand Seiko brand as it is the timepiece with the longest power reserve for a 10 beat Hi beat automatic chronograph. It’s named for its TEN beats per second, Three days power reserve, Automatic ChronoGRAPH.

Operating on a newly created 9SC5 movement at ten beats per second, this chronograph was designed to pursue stable accuracy in any condition. The movement – with its 72-hour-long power reserve and 10-beat frequency – as well as the chronograph’s modular mechanism, combining a column wheel for operations and a vertical clutch for transmission, makes this possible. As a result of this watch, the Takumi revised the Grand Seiko testing procedure for mechanical chronographs to create a new inspection standard – from 17 days previously, to twenty days so that the accuracy requirements are also applied to the movement while the chronograph is operating in three different positions.

From the Evolution 9 collection, the pattern on its blue dial resembles a starry winter night on Mount Iwate. The day calendar matches the dial colour for the first time in a Grand Seiko and is positioned between the 4 o’clock and 5 o’clock markers. With a smaller case size than Spring Drive chronograph models, the bezel is black ceramic, whilst the case and bracelet are made from light weight and durable high-intensity titanium.

The watchmakers’ pride in their surroundings is represented from engineering watch movements which emulate the smooth motion of time passing, to creating dials reflecting the beauty of Japanese nature – a Japanese spirituality where each moment is a unique expression unveiled through light and shadow.

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

Reference: SLGC001

 

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Description

Grand Seiko ‘Tentagraph’ – SLGC001 Hi-Beat Automatic Chronograph

Grand Seiko ‘Tentagraph’ Evolution 9 Collection Hi-Beat Automatic Chronograph

Specifications

Movement

  • Accuracy: -3/+5 seconds per day
  • Calibre: 9SC5
  • Movement Type: Automatic with Manual Winding
  • Power Reserve: 72 Hours

Watch Exterior

  • Case Diameter: 43.2mm
  • Case Length: 51.5mm
  • Case Thickness: 15.27mm
  • Case Material: High Intensity titanium
  • Strap/Bracelet: Titanium
  • Lug Width: 23.0mm
  • Clasp: Three-fold clasp with push button release
  • Dial: Blue

Other Specifications

  • Crystal Coating: Anti-reflective coating on inner surface
  • Crystal Type: Box shaped sapphire crystal
  • Water Resistance: 10 bar
  • LumiBrite: Lumibrite on hands and indexes

Reference: SLGC001

Additional information

Brand

Grand Seiko

Case Size

43.2mm

Collection

Evolution 9

Material

Titanium

Watch Movement

Mechanical Hi-Beat