Overview
The Grand Seiko “White Birch” (SLGH005) draws inspiration from the white birch forests near the Grand Seiko Studio Shizukuishi. It features the revolutionary Hi-Beat 36000 9SA5 caliber, housed in a dramatically sculpted Evolution 9 case with the signature deeply textured white dial. Hugely popular and critically acclaimed for its technical and design innovations.
Product Image
Image copyright Grand Seiko
Official Description
Inspired by the slender white birch trees that grow near the Grand Seiko Studio Shizukuishi, the SLGH005 dial displays a stunning texture that captures the quiet beauty of nature. Powered by the next-generation Hi-Beat 36000 9SA5 movement, the “White Birch” sets a new standard for precision engineering and artistry.
Product Specifications
| Feature | Value |
|---|---|
| Model Number | SLGH005 |
| Series | Evolution 9 Collection |
| Case Material | Stainless steel |
| Case Diameter | 40.0 mm |
| Case Thickness | 11.7 mm |
| Lug Width | 22 mm |
| Lug-to-Lug | 47.0 mm |
| Crystal | Box-shaped sapphire, anti-reflective |
| Bracelet/Strap | Stainless steel bracelet |
| Water Resistance | 100 meters (10 bar) |
| Magnetic Resistance | 4,800 A/m |
| Weight | 178g |
| Clasp | Three-fold clasp with push button |
| Caseback | See-through, screw case back |
Movement Details
| Specification | Value |
|---|---|
| Movement | Hi-Beat 36000, Caliber 9SA5 |
| Type | Automatic with manual winding |
| Power Reserve | ~80 hours |
| Accuracy | +5 to -3 seconds per day |
| Jewels | 47 |
| Features | Date, stop seconds hand function |
Hi-Beat 36000 9SA5 Movement:
This movement boasts a dual impulse escapement and a free-sprung balance, significantly increasing both efficiency and accuracy. It is thinner, more efficient, and more robust than previous Grand Seiko Hi-Beat calibers.
Frequently Asked Questions
Is the SLGH005 suitable for daily wear?
Yes! Its robust steel construction, comfortable Evolution 9 bracelet, and 100m water resistance make it a versatile dress and sport watch.
Where is this model manufactured?
Built and assembled at the acclaimed Grand Seiko Studio Shizukuishi, Japan.
Why is the “White Birch” so famous?
Because of its dial’s unique depth and texture, which is meticulously stamped to emulate birch tree bark—and the cutting-edge 9SA5 movement inside.
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