The 40mm Tactics Frog FX Diving Watch Case is a rugged dive-style case designed for professional mod builds and everyday durability. Crafted from premium 316L stainless steel, this case features a compact lug-to-lug profile, domed sapphire crystal, and a precise 120-click unidirectional bezel available in ceramic or aluminum options. Compatible with a wide range of Seiko NH and ETA-based movements, it is ideal for custom diver watch projects. The luminous bezel insert is available in BGW9 blue-green lume or classic green luminous finish for enhanced visibility in low light conditions.

Specifications:
Case Diameter: 40mm
Case Material: 316L Stainless Steel
Case Back Material: 316L Stainless Steel
Case Thickness: 14mm (Without Crystal) / 14.5mm (Including Crystal)
Lug to Lug: 44.1mm
Lug Width: 20mm
Crystal: Domed Sapphire Crystal
Bezel Type: 120-Click Unidirectional Rotating Bezel
Bezel Material: Ceramic / Aluminum
Dial Compatibility: Fits 28.5mm – 29.2mm Dial
Compatible Movements: NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH72, ETA2824, PT5000
Water Resistance: 100M
Luminous Options: BGW9 Blue-Green Lume / Green Luminous