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Shirakaba.
The white birch tree that thrives 
in Shizukuishi.

White Birch

This watch captures the dynamism of the white birch tree forests near the studio in Shizukuishi, where all Grand Seiko mechanical watches are crafted. To look closely at the dial is to experience the exact same feeling that the visitor to these forests receives and to be brought closer than ever to the true and eternal nature of time.

/SLGH005

SLGH005 SLGH005G

Evolution 9 Collection

$14,000

Features

Inspired by the beauty of white birch forests from new Evolution 9

SLGH005 captures the dynamism of the white birch tree forests near the studio in Shizukuishi, where all Grand Seiko mechanical watches are crafted. To look closely at the dial is to experience the exact same feeling that the visitor to these forests receives and to be brought closer than ever to the true and eternal nature of time.

The overall look of the watch is known as the Evolution 9 Style and it will be an important part of the Grand Seiko’s signature in the years to come. Its powerful hands and grooved, prominent markers ensure perfect legibility, its Zaratsu polished, distortion-free mirror finish and delicate hairline finish alternate give the case a quiet and harmonious glow. The case has wide lugs and a low centre of gravity that ensures that the watch sits easily and securely on the wrist.

The high-beat watch is powered by the revolutionary Calibre 9SA5, which offers a power reserve of 80 hours thanks to its enhanced energy efficiency.

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

Specifications

Exterior
Case Material: Stainless Steel
Glass Material: Sapphire
Case size: Diameter: 40mm
Thickness: 11.7 mm
Length: 47mm
Case Colour: Silver
Case Weight: 178g
Band/Bracelet: Bracelet - Stainless Steel
Band Colour: Silver
Band Reference: A01H117J9
Dial Colour: White
Hand Indicators: Hour, Minute, Seconds
Calendar Indicators: Date
Dial Markers: Batons
Crown: Screw Down
Movement
Calibre no.: 9SA5 Instructions
Movement Type: Automatic - Powered By The Movement of the Wearer
Accuracy: +5 to -3 seconds a day (at normal temperature range (-10° and 60°)
Battery Life: 80 Hour Power Reserve
Battery: N/A
Display: Analogue
Functions
Water Resistance: 100 Metres
Other details / Features:
  • Exhibition Case Back
  • Hand Winding

The design is true to the Grand Seiko Style defined back in 1967 with the celebrated 44GS, but its heritage is combined with a powerful contemporary feel that points towards a new era.

Case back

The bridge has a gently curving outline that is inspired by the shape of Mt. Iwate and a bend in the nearby Shizukuishi River that runs past the studio where the watch is made.

Movement

The high-beat watch is powered by the revolutionary Calibre 9SA5, which offers a power reserve of 80 hours thanks to its enhanced energy efficiency. First presented in 2020, Calibre 9SA5 incorporates three significant developments, the entirely new Dual Impulse Escapement, the Grand Seiko free-sprung balance, and the horizontal gear train which, together, set a new standard in high-beat horology.

Mechanical Hi-Beat 36000 80 hours Calibre 9SA5
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Grand Seiko preserving the natural beauty of the Hiraniwa Plateau in Iwate prefecture

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