45MM Black Turtle case 6105 large abalone for NH35A/NH36A movement 28.5MM dial Sapphire 20ATM

Build a rugged vintage-inspired diver with this 45mm Black Turtle case – a 6105-style large abalone case crafted from 316L stainless steel with a durable black finish. Featuring a sapphire crystal, solid steel caseback, and screw-down crown, this case offers reliable 20ATM (200m) water resistance (dependent on installation). Designed for NH35 and NH36 automatic movements, it fits 28.5mm dials with a 22mm lug width and 47.5mm lug-to-lug length. The bold Turtle/6105 profile delivers a substantial wrist presence – the perfect foundation for custom dive builds and modding projects.

Full Spec List:

• Product: Black Turtle Case – 6105 Large Abalone Style

• Case Material: 316L stainless steel (black finish)

• Case Diameter: 45mm

• Case Thickness: 13mm

• Lug Width: 22mm

• Lug to Lug: 47.5mm

• Dial Fit: 28.5mm

• Glass: Sapphire crystal

• Caseback: Solid steel back

• Crown: Screw-down crown

• Water Resistance: 20ATM (200 meters) – dependent on installation

• Compatible Movements: NH35 / NH36

• Style: Turtle / 6105-inspired diver

• Application: Custom builds, modding, dive watches