The 40mm Silver Polished Dress Watch Case is a refined stainless steel case designed for elegant custom watch builds and modern dress-style mechanical watches. Crafted from solid 316L stainless steel with a polished finish, this case combines a slim dress-watch profile with durable everyday performance. Featuring scratch-resistant sapphire crystal and compatibility with Seiko NH-series automatic movements, it is an excellent choice for NH35 and NH36 custom watch projects.

The large dial compatibility makes it ideal for GS-style, cocktail-style, and modern dress-watch modifications, while the optional exhibition case back adds a premium mechanical appearance.

Specifications:
Case Material: Solid 316L Stainless Steel
Case Diameter: 40mm (Excluding Crown)
Lug to Lug:48.3mm
Case Thickness: 13.5mm
Compatible Dial Size: 32.6mm – 33.6mm
Recommended Dial Diameter: 33.4mm
Strap Width: 20mm
Crystal: Sapphire Crystal Glass
Compatible Movements: NH35 / NH36 Automatic Movements
Case Back Options: Solid Stainless Steel Case Back or Transparent Glass Exhibition Back
Water Resistance: 10BAR / 100M
Style: Polished Dress Watch Case / GS Style Case
Application: Custom Dress Watch Modifications & Mechanical Watch Builds