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Evolution 9 Collection The Tentagraph SLGC007

A mechanical chronograph imbued with the majestic presence of Mount Iwate in winter

/SLGC007
NEW

SLGC007 SLGC001

Evolution 9 Collection

$21,000

Pre-Order

Despatch will take place August/September 2025 with full tracking

Features

This mechanical chronograph was created in the Evolution 9 Style, a unique design method that combines the spirit of Grand Seiko and the aesthetic beauty of Japan to reach new heights. The dial captures Mount Iwate, topped with fresh snow, a merger of the harsh winter’s crisp blue sky and the subtle blue tint of the newly fallen snow. The deep snowfall is represented by the snow-blue dial color and an embossed pattern inspired by the mountain’s ridgelines.

This model features the Mechanical Hi-Beat Chronograph Calibre 9SC5 oscillating at a rate of 10 beats per second, which operates continuously for approximately 72 hours (about 3 days) when fully wound.

Any purchase through our Grand SEIKO Online Store has a 5 Year limited guarantee

Specifications

Exterior
Case Material: Ceramic & Titanium
Glass Material: Box Shaped Sapphire
Case size: Diameter: 43.2mm
Thickness: 15.2 mm
Length: 51.5mm
Case Colour: Silver
Band/Bracelet: Bracelet - Titanium
Band Colour: Silver
Band Reference: E007011T0
Dial Colour: Silver Textured
Hand Indicators: Hour, Minute, Seconds
Calendar Indicators: Date
Dial Markers: Batons
Crown: Screw Down
Movement
Calibre no.: 9SC5 Instructions
Movement Type: Automatic - Powered By The Movement of the Wearer
Accuracy: +5 to -3 seconds per day
Battery Life: 72 Hours Power Reserve (Approx)
Battery: N/A
Display: Analogue
Functions
Water Resistance: 100 Metres
Other details / Features:
  • Exhibition Case Back
  • Hand Winding

A two-layer dial expressing the contrast between rocky ridges and freshly fallen snow.

Nature’s beauty and the ever-changing seasons provide boundless inspiration for Grand Seiko. Mount Iwate, visible from the Grand Seiko Studio Shizukuishi, where the brand’s mechanical watches are crafted, presents breath-taking expressions throughout the year. The dial is inspired by Mount Iwate in the depth of winter, with the new snow depicted in snow-blue, while the mountain’s surface peeks through in the form of black sub-dials.

High legibility, a hallmark of the Evolution 9 Style

One signature of the Evolution 9 Style is its dial with redesigned indexes and hands. Created to achieve maximum legibility, their size and shape allow the wearer to read the time with just a glance. Everything about the Tentagraph’s chronograph and time-of-day displays has been thoroughly considered, from the placement of the hands relative to the indexes to the distance between the dial and the hands. By placing the date between four and five o’clock, an index can remain at each of the traditional hour positions while allowing for maximum readability for the time of day and the chronograph sub-dials.

The Tentagraph Calibre 9SC5

The name Tentagraph describes key features of the Calibre 9SC5 movement: Ten beats per second, three days of power reserve, automatic winding, and chronograph.
Fully wound, the watch runs for 72 hours when the chronograph is in operation.

Details of Calibre 9SC5

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