Illustration. The seconds hand sweeps, like the real movement.
Evolution 9 'Birch Bark' Hand-Wound
Ref. SLGW003
Also SLGW003G
38.6 mm titanium, white birch-bark dial, black crocodile strap
- Diameter
- 38.6 mm
- Thickness
- 9.9 mm
- Water
- 30 m
- Movement
- 9SA4
€12,000
German RRP on grand-seiko.com (de-de).
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Why it's interesting
Grand Seiko's first hand-wound hi-beat in about half a century, and a dress watch that feels like one: under 10 mm thick, 60 g in titanium, with a dial modelled on the birch trees around its Shizukuishi studio. Turn it over to watch the wagtail-shaped click peck as you wind.
Watch DNA. Filled tags are editorial; outlined tags come from the specifications.
The numbers
Verified specificationsSize
- Diameter
- 38.6mm
- Lug to lug
- 45mm
- Thickness
- 9.9mm
- Lug width
- 20mm
Because you like this…
Chosen for shape, size, colour, character and price. Rarely the same brand twice.
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About this page
Verified specifications, checked September 2026
Dimensions, water resistance, movement and crystal were checked against the sources below.
Titanium, 38.6 × 45.0 × 9.95 mm, 20 mm, box sapphire, 3 bar, 60 g, calibre 9SA4, 80 h, the birch dial, the wagtail-shaped click and the price from grand-seiko.com. The April 2024 launch in the permanent collection (Brilliant Hard Titanium) and GS's first hand-wound hi-beat in 50 years from Monochrome.
The illustration is a bezelga rendering generated from the specifications. It is not a photograph and may simplify details such as logos, text and finishing.
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