The 40mm PVD Black Fifty Fathoms Style Watch Case features a rugged matte sandblasted finish combined with classic vintage dive-watch styling. Crafted from durable 316L stainless steel with a ceramic bezel insert and domed sapphire crystal, this premium dive case is designed for professional custom watch builds and everyday reliability. Compatible with a wide range of Seiko NH and Swiss-style automatic movements, it is an ideal platform for Fifty Fathoms-inspired mod projects.

Specifications:
Compatible Movements:
• NH34 / NH35A / NH36A / NH38 / NH70 / NH72
• ETA2824 / PT5000 / ST2130 / SW200

Water Resistance: 20ATM / 200M

Case Diameter: 40mm (Excluding Crown)
Case Thickness: 14mm
Lug to Lug: 50.5mm
Lug Width: 20mm

Compatible Dial Size: 27.1mm – 29.2mm
Recommended Dial Size: 29mm

Case Material: 316L Stainless Steel with PVD Black Matte Sandblasted Finish
Bezel Insert: Ceramic Bezel Insert
Crystal: Domed Sapphire Crystal

Included Parts:
• Watch Case
• Case Back Cover
• Crown
• Rubber Gasket Seals
• 2 Spring Bars

Bezel Insert Size: 37.8mm × 31.2mm (Outer Diameter × Inner Diameter)

Compatible Hand Sizes: 8.5mm × 12.5mm × 12.5mm

Dial Features: Black Dial with Luminous Markers Compatible Design