Premium GS Modified Case 38MM High Quality Sapphire NH35/NH34 Stainless Steel Watch Waterproof GMT
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Aperture shell belt, dense bottom
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GMT ring single shell, glass bottom
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Aperture single shell, glass bottom
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GS Seiko Modified Case 38mm – Sapphire Automatic / GMT Watch Case
High-quality GS-style modified watch case crafted from solid 316L stainless steel. Designed for direct dial assembly without a chapter ring, this 38mm case supports NH35/NH34 GMT and multiple Seiko movements, featuring a sapphire crystal and reliable 100m water resistance—ideal for premium custom builds and mods.
Key Features
Case Material: Solid 316L Stainless Steel
Crystal: Sapphire Crystal / K1 Glass Optional
Movement Fit: NH35 / NH34 GMT / NH36 / NH38 / NH70 and more
Dial Fit: 28.5mm (No Chapter Ring Required)
Water Resistance: 100m
Dimensions
Case Diameter: 38mm (without crown)
Lug to Lug: 44.7mm
Case Thickness: 12mm
Lug Width: 20mm
Assembly Note
Direct dial installation supported, chapter ring not required
Style: Automatic / GMT / Mod Watch Case
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