39mm Dive Watch Case BB58 Mod 20BAR Waterproof Dome Sapphire Glass 39mm Black Bay Watch Case for NH34 NH35 NH36 NH70 ETA2824 PT5000 Watch Parts Color:Grey Bezel insert ● Dial NO logo

● Dial NO logo

making this a functional tool for both professional and recreational divers

driven by the precise NH35A automatic movement with 24 jewels

Dial Diameter: 29mm with Date Display at 3 o’clock

Special Design Note • Case and chapter ring are packaged separately • Chapter ring is not fixed and can be replaced freely • Chapter ring replacement does not require glass removal • Ideal for modders and custom builders

39mm Dive Watch Case BB58 Mod 20BAR Waterproof Dome Sapphire Glass 39mm Black Bay Watch Case for NH34 NH35 NH36 NH70 ETA2824 PT5000 Watch Parts Color:Grey Bezel insert ● Dial NO logoThis 39mm dive watch case is a classic BB58 mod design, built for professional watch modding and custom builds. Made from solid 316L stainless steel with black or rose gold coating, it features a domed sapphire crystal, 20BAR (200m) water resistance, and broad movement compatibility. Ideal for NH and ETA based automatic movements, this case offers durability, vintage proportions, and a premium diver aesthetic. Custom logo service is supported.